CI: mypy 0.990

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
     hooks:
     -   id: isort
 -   repo: https://github.com/asottile/pyupgrade
-    rev: v2.37.3
+    rev: v3.2.0
     hooks:
     -   id: pyupgrade
         types_or: [python, pyi]
@@ -27,7 +27,7 @@ repos:
     -   id: flake8
         name: flake8 (pyi)
         additional_dependencies:
-        - flake8-pyi==22.8.2
+        - flake8-pyi==22.10.0
         types: [pyi]
         args: [
           --ignore=E301 E302 E305 E402 E501 E701 E704 F401 F811 W503 Y019 Y027 Y034 Y037 Y041 Y042,

pandas-stubs/core/base.pyi

@@ -63,6 +63,7 @@ class IndexOpsMixin:
     def tolist(self) -> list: ...
     def to_list(self) -> list: ...
     def __iter__(self): ...
+    @property
     def hasnans(self) -> bool: ...
     def value_counts(
         self,

pandas-stubs/core/frame.pyi

@@ -1276,8 +1276,6 @@ class DataFrame(NDFrame, OpsMixin):
     @property
     def at(self): ...  # Not sure what to do with this yet; look at source
     @property
-    def bool(self) -> _bool: ...
-    @property
     def columns(self) -> Index: ...
     @columns.setter  # setter needs to be right next to getter; otherwise mypy complains
     def columns(

pandas-stubs/core/generic.pyi

@@ -8,6 +8,7 @@ from typing import (
     Literal,
     Mapping,
     Sequence,
+    final,
     overload,
 )
 
@@ -83,6 +84,7 @@ class NDFrame(PandasObject, indexing.IndexingMixin):
     def __neg__(self: NDFrameT) -> NDFrameT: ...
     def __pos__(self: NDFrameT) -> NDFrameT: ...
     def __nonzero__(self) -> None: ...
+    @final
     def bool(self) -> _bool: ...
     def __abs__(self) -> NDFrame: ...
     def __round__(self, decimals: int = ...) -> NDFrame: ...

pandas-stubs/core/groupby/ops.pyi

@@ -70,6 +70,7 @@ class BinGrouper(BaseGrouper):
     def get_iterator(self, data: DataFrame | Series, axis: int = ...): ...
     def indices(self): ...
     def group_info(self): ...
+    @property
     def reconstructed_codes(self) -> list[np.ndarray]: ...
     def result_index(self): ...
     @property

pandas-stubs/core/indexes/base.pyi

@@ -112,6 +112,7 @@ class Index(IndexOpsMixin, PandasObject):
     def is_monotonic_increasing(self) -> bool: ...
     @property
     def is_monotonic_decreasing(self) -> bool: ...
+    @property
     def is_unique(self) -> bool: ...
     @property
     def has_duplicates(self) -> bool: ...
@@ -124,9 +125,10 @@ class Index(IndexOpsMixin, PandasObject):
     def is_interval(self) -> bool: ...
     def is_mixed(self) -> bool: ...
     def holds_integer(self): ...
+    @property
     def inferred_type(self): ...
-    def is_all_dates(self) -> bool: ...
     def __reduce__(self): ...
+    @property
     def hasnans(self) -> bool: ...
     def isna(self): ...
     isnull = ...
@@ -177,6 +179,7 @@ class Index(IndexOpsMixin, PandasObject):
     ): ...
     @property
     def values(self) -> np.ndarray: ...
+    @property
     def array(self) -> ExtensionArray: ...
     def memory_usage(self, deep: bool = ...): ...
     def where(self, cond, other=...): ...

pandas-stubs/core/indexes/category.pyi

@@ -28,6 +28,7 @@ class CategoricalIndex(ExtensionIndex, accessor.PandasDelegate):
     def __array__(self, dtype=...) -> np.ndarray: ...
     def astype(self, dtype: DtypeArg, copy: bool = ...) -> Index: ...
     def fillna(self, value=..., downcast=...): ...
+    @property
     def is_unique(self) -> bool: ...
     @property
     def is_monotonic_increasing(self) -> bool: ...

pandas-stubs/core/indexes/multi.pyi

@@ -65,8 +65,10 @@ class MultiIndex(Index):
     def __array__(self, dtype=...) -> np.ndarray: ...
     def view(self, cls=...): ...
     def __contains__(self, key) -> bool: ...
+    @property
     def dtype(self) -> np.dtype: ...
     def memory_usage(self, deep: bool = ...) -> int: ...
+    @property
     def nbytes(self) -> int: ...
     def format(
         self,
@@ -82,7 +84,9 @@ class MultiIndex(Index):
     def inferred_type(self) -> str: ...
     @property
     def values(self): ...
+    @property
     def is_monotonic_increasing(self) -> bool: ...
+    @property
     def is_monotonic_decreasing(self) -> bool: ...
     def duplicated(self, keep: Literal["first", "last", False] = ...): ...
     def fillna(self, value=..., downcast=...) -> None: ...

pandas-stubs/core/indexes/numeric.pyi

@@ -37,5 +37,6 @@ class Float64Index(NumericIndex):
     def equals(self, other) -> bool: ...
     def __contains__(self, other) -> bool: ...
     def get_loc(self, key, tolerance=...): ...
+    @property
     def is_unique(self) -> bool: ...
     def isin(self, values, level=...): ...

pandas-stubs/core/indexes/range.pyi

@@ -32,13 +32,16 @@ class RangeIndex(Int64Index):
     def start(self): ...
     def stop(self): ...
     def step(self): ...
+    @property
     def nbytes(self) -> int: ...
     def memory_usage(self, deep: bool = ...) -> int: ...
     @property
     def dtype(self) -> np.dtype: ...
     @property
     def is_unique(self) -> bool: ...
+    @property
     def is_monotonic_increasing(self) -> bool: ...
+    @property
     def is_monotonic_decreasing(self) -> bool: ...
     @property
     def has_duplicates(self) -> bool: ...

pandas-stubs/core/series.pyi

@@ -455,8 +455,9 @@ class Series(IndexOpsMixin, NDFrame, Generic[S1]):
         observed: _bool = ...,
         dropna: _bool = ...,
     ) -> _SeriesGroupByNonScalar[S1]: ...
+    # need the ignore because None is Hashable
     @overload
-    def count(self, level: None = ...) -> int: ...
+    def count(self, level: None = ...) -> int: ...  # type: ignore[misc]
     @overload
     def count(self, level: Hashable) -> Series[S1]: ...
     def mode(self, dropna=...) -> Series[S1]: ...

pyproject.toml

@@ -34,7 +34,7 @@ python = ">=3.8,<3.11"
 types-pytz = ">= 2022.1.1"
 
 [tool.poetry.dev-dependencies]
-mypy = "==0.971"
+mypy = "==0.990"
 pyarrow = ">=9.0.0"
 pytest = ">=7.1.2"
 pyright = ">=1.1.278"

tests/__init__.py

@@ -29,7 +29,7 @@ def check(actual: T, klass: type, dtype: type | None = None, attr: str = "left")
         return actual  # type: ignore[return-value]
 
     if hasattr(actual, "__iter__"):
-        value = next(iter(actual))  # type: ignore[call-overload]
+        value = next(iter(actual))  # pyright: ignore[reportGeneralTypeIssues]
     else:
         assert hasattr(actual, attr)
         value = getattr(actual, attr)

tests/test_io.py

@@ -695,7 +695,7 @@ def test_to_string():
     with ensure_clean() as path:
         check(assert_type(DF.to_string(path), None), type(None))
         check(assert_type(DF.to_string(pathlib.Path(path)), None), type(None))
-        with open(path, "wt") as df_string:
+        with open(path, "w") as df_string:
             check(assert_type(DF.to_string(df_string), None), type(None))
         sio = io.StringIO()
         check(assert_type(DF.to_string(sio), None), type(None))
@@ -822,7 +822,9 @@ def test_sqlalchemy_selectable() -> None:
             class Base(metaclass=sqlalchemy.orm.decl_api.DeclarativeMeta):
                 __abstract__ = True
 
-            class Temp(Base):
+            # error: Metaclass conflict: the metaclass of a derived class must be a
+            # (non-strict) subclass of the metaclasses of all its bases
+            class Temp(Base):  # type: ignore[misc]
                 __tablename__ = "part"
                 quantity = sqlalchemy.Column(sqlalchemy.Integer)