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Astroid KeyError When Running Pylint Scan #3539

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justinessert opened this issue Apr 28, 2020 · 2 comments
Closed

Astroid KeyError When Running Pylint Scan #3539

justinessert opened this issue Apr 28, 2020 · 2 comments
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Duplicate 🐫 Duplicate of an already existing issue

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@justinessert
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Hey Pylint Team,

I started getting an Astroid KeyError after I upgraded pylint to 2.5.0 (stack trace below).

pylint --version
pylint 2.5.0
astroid 2.4.0
Python 3.7.3 (default, Mar 27 2019, 16:54:48)
[Clang 4.0.1 (tags/RELEASE_401/final)]

Though this older version seems to be working just fine:

pylint --version
pylint 2.3.1
astroid 2.2.5
Python 3.7.3 (default, Mar 27 2019, 16:54:48)
[Clang 4.0.1 (tags/RELEASE_401/final)]

This issue seems to be related to astroid, so I tried reverting my pylint version back to 2.3.1 and keeping my astroid version at 2.4 and this also failed.

pylint --version
pylint 2.3.1
astroid 2.4.0
Python 3.7.3 (default, Mar 27 2019, 16:54:48)
[Clang 4.0.1 (tags/RELEASE_401/final)]

So the issue seems to be related to astroid 2.4.0. Unfortunately I am not able to share the repo that I'm running pylint on and I was not able to reproduce the error on a very simple dummy project.

Could you help me narrow down what is causing this issue? I am very unclear as to what in my code is causing this issue, if you could help me find that, I might be able to construct a dummy project that causes the same error.

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/__init__.py", line 93, in _inference_tip_cached
    return iter(_cache[func, node])
KeyError: (<function register_builtin_transform.<locals>._transform_wrapper at 0x10d1da620>, <Call l.69 at 0x10d5c8a90>)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 182, in getattr
    values = self._proxied.instance_attr(name, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 2388, in instance_attr
    target=self, attribute=name, context=context
astroid.exceptions.AttributeInferenceError: 'values' not found on <ClassDef.SparseSeries l.38 at 0x10eaafeb8>.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 220, in igetattr
    get_attr = self.getattr(name, context, lookupclass=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 194, in getattr
    ) from exc
astroid.exceptions.AttributeInferenceError: 'values' not found on <Instance of pandas.core.sparse.series.SparseSeries at 0x4541085680>.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 182, in getattr
    values = self._proxied.instance_attr(name, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 2388, in instance_attr
    target=self, attribute=name, context=context
astroid.exceptions.AttributeInferenceError: '_block' not found on <ClassDef.SingleBlockManager l.1435 at 0x110084630>.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 220, in igetattr
    get_attr = self.getattr(name, context, lookupclass=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 194, in getattr
    ) from exc
astroid.exceptions.AttributeInferenceError: '_block' not found on <Instance of pandas.core.internals.managers.SingleBlockManager at 0x4556485576>.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/hnf396/miniconda3/bin/pylint", line 8, in <module>
    sys.exit(run_pylint())
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/__init__.py", line 22, in run_pylint
    PylintRun(sys.argv[1:])
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/run.py", line 338, in __init__
    linter.check(args)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/pylinter.py", line 871, in check
    self.get_ast, self._iterate_file_descrs(files_or_modules)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/pylinter.py", line 904, in _check_files
    self._check_file(get_ast, check_astroid_module, name, filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/pylinter.py", line 930, in _check_file
    check_astroid_module(ast_node)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/pylinter.py", line 1063, in check_astroid_module
    ast_node, walker, rawcheckers, tokencheckers
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/lint/pylinter.py", line 1107, in _check_astroid_module
    walker.walk(ast_node)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/utils/ast_walker.py", line 75, in walk
    self.walk(child)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/utils/ast_walker.py", line 75, in walk
    self.walk(child)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/utils/ast_walker.py", line 75, in walk
    self.walk(child)
  [Previous line repeated 2 more times]
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/utils/ast_walker.py", line 72, in walk
    callback(astroid)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/pylint/checkers/typecheck.py", line 1623, in visit_unaryop
    for error in node.type_errors():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/node_classes.py", line 4416, in type_errors
    for result in results
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/node_classes.py", line 4415, in <listcomp>
    result
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 491, in _infer_unaryop
    for operand in self.operand.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/node_classes.py", line 357, in infer
    return self._explicit_inference(self, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/__init__.py", line 95, in _inference_tip_cached
    result = func(*args, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/brain/brain_builtin_inference.py", line 135, in _transform_wrapper
    result = transform(node, context=context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/brain/brain_builtin_inference.py", line 674, in infer_isinstance
    class_or_tuple_node, context=context
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/brain/brain_builtin_inference.py", line 693, in _class_or_tuple_to_container
    node_infer = next(node.infer(context=context))
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 319, in infer_attribute
    yield from owner.igetattr(self.attrname, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 273, in infer_import_from
    module = self.do_import_module()
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/mixins.py", line 100, in do_import_module
    modname, level=level, relative_only=level and level >= 1
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 642, in import_module
    return MANAGER.ast_from_module_name(absmodname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 189, in ast_from_module_name
    return self.ast_from_file(found_spec.location, modname, fallback=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 98, in ast_from_file
    return AstroidBuilder(self).file_build(filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 138, in file_build
    return self._post_build(module, encoding)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 158, in _post_build
    self.delayed_assattr(delayed)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 225, in delayed_assattr
    for inferred in node.expr.infer():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 293, in infer_attribute
    for owner in self.expr.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 850, in infer_assign
    stmts = list(self.assigned_stmts(context=context))
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/protocols.py", line 391, in assign_assigned_stmts
    self.value.infer(context), assign_path, context
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/protocols.py", line 414, in _resolve_assignment_parts
    for part in parts:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 293, in infer_attribute
    for owner in self.expr.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 293, in infer_attribute
    for owner in self.expr.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 293, in infer_attribute
    for owner in self.expr.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 850, in infer_assign
    stmts = list(self.assigned_stmts(context=context))
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/protocols.py", line 331, in _arguments_infer_argname
    is_metaclass = isinstance(cls, nodes.ClassDef) and cls.type == "metaclass"
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1830, in _class_type
    if _is_metaclass(klass):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1799, in _is_metaclass
    for baseobj in base.infer():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 273, in infer_import_from
    module = self.do_import_module()
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/mixins.py", line 100, in do_import_module
    modname, level=level, relative_only=level and level >= 1
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 642, in import_module
    return MANAGER.ast_from_module_name(absmodname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 189, in ast_from_module_name
    return self.ast_from_file(found_spec.location, modname, fallback=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 98, in ast_from_file
    return AstroidBuilder(self).file_build(filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 138, in file_build
    return self._post_build(module, encoding)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 158, in _post_build
    self.delayed_assattr(delayed)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 225, in delayed_assattr
    for inferred in node.expr.infer():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 319, in infer_attribute
    yield from owner.igetattr(self.attrname, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 273, in infer_import_from
    module = self.do_import_module()
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/mixins.py", line 100, in do_import_module
    modname, level=level, relative_only=level and level >= 1
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 642, in import_module
    return MANAGER.ast_from_module_name(absmodname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 189, in ast_from_module_name
    return self.ast_from_file(found_spec.location, modname, fallback=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 98, in ast_from_file
    return AstroidBuilder(self).file_build(filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 138, in file_build
    return self._post_build(module, encoding)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 158, in _post_build
    self.delayed_assattr(delayed)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 225, in delayed_assattr
    for inferred in node.expr.infer():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 233, in infer_call
    yield from callee.infer_call_result(caller=self, context=callcontext)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1722, in infer_call_result
    yield from returnnode.value.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 273, in infer_import_from
    module = self.do_import_module()
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/mixins.py", line 100, in do_import_module
    modname, level=level, relative_only=level and level >= 1
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 642, in import_module
    return MANAGER.ast_from_module_name(absmodname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 189, in ast_from_module_name
    return self.ast_from_file(found_spec.location, modname, fallback=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 98, in ast_from_file
    return AstroidBuilder(self).file_build(filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 138, in file_build
    return self._post_build(module, encoding)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 158, in _post_build
    self.delayed_assattr(delayed)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 225, in delayed_assattr
    for inferred in node.expr.infer():
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 319, in infer_attribute
    yield from owner.igetattr(self.attrname, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 232, in igetattr
    yield from self._wrap_attr(attrs, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 238, in _wrap_attr
    for attr in attrs:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 2553, in igetattr
    caller=self, context=context
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1722, in infer_call_result
    yield from returnnode.value.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 233, in infer_call
    yield from callee.infer_call_result(caller=self, context=callcontext)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1722, in infer_call_result
    yield from returnnode.value.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 293, in infer_attribute
    for owner in self.expr.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 319, in infer_attribute
    yield from owner.igetattr(self.attrname, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 232, in igetattr
    yield from self._wrap_attr(attrs, context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 238, in _wrap_attr
    for attr in attrs:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 2553, in igetattr
    caller=self, context=context
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1722, in infer_call_result
    yield from returnnode.value.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 405, in infer_subscript
    yield from assigned.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 233, in infer_call
    yield from callee.infer_call_result(caller=self, context=callcontext)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 1722, in infer_call_result
    yield from returnnode.value.infer(context)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 142, in raise_if_nothing_inferred
    yield from generator
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 227, in infer_call
    for callee in self.func.infer(context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 96, in wrapped
    res = next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/bases.py", line 136, in _infer_stmts
    for inferred in stmt.infer(context=context):
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/util.py", line 160, in limit_inference
    yield from islice(iterator, size)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/context.py", line 113, in cache_generator
    for result in generator:
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 132, in raise_if_nothing_inferred
    yield next(generator)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/decorators.py", line 93, in wrapped
    generator = _func(node, context, **kwargs)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/inference.py", line 273, in infer_import_from
    module = self.do_import_module()
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/mixins.py", line 100, in do_import_module
    modname, level=level, relative_only=level and level >= 1
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/scoped_nodes.py", line 642, in import_module
    return MANAGER.ast_from_module_name(absmodname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 189, in ast_from_module_name
    return self.ast_from_file(found_spec.location, modname, fallback=False)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/manager.py", line 98, in ast_from_file
    return AstroidBuilder(self).file_build(filepath, modname)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 137, in file_build
    module = self._data_build(data, modname, path)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/builder.py", line 190, in _data_build
    module = builder.visit_module(node, modname, node_file, package)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 165, in visit_module
    newnode.postinit([self.visit(child, newnode) for child in node.body])
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 165, in <listcomp>
    newnode.postinit([self.visit(child, newnode) for child in node.body])
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 177, in visit
    return visit_method(node, parent)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 455, in visit_classdef
    [self.visit(child, newnode) for child in node.body],
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 455, in <listcomp>
    [self.visit(child, newnode) for child in node.body],
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 177, in visit
    return visit_method(node, parent)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 676, in visit_functiondef
    return self._visit_functiondef(nodes.FunctionDef, node, parent)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 666, in _visit_functiondef
    body=[self.visit(child, newnode) for child in node.body],
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 666, in <listcomp>
    body=[self.visit(child, newnode) for child in node.body],
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 177, in visit
    return visit_method(node, parent)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 721, in visit_if
    self.visit(node.test, newnode),
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 177, in visit
    return visit_method(node, parent)
  File "/Users/hnf396/miniconda3/lib/python3.7/site-packages/astroid/rebuilder.py", line 394, in visit_boolop
    self._bool_op_classes[type(node.op)], node.lineno, node.col_offset, parent
KeyError: <class '_ast.And'>
@PCManticore
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Thanks for the report! Closing as duplicate of #3540. Will submit a PR shortly, which will be part of astroid 2.4.1 in a couple of days.

@PCManticore PCManticore added the Duplicate 🐫 Duplicate of an already existing issue label Apr 29, 2020
@justinessert
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Thanks for the update!

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