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Handle NoneType docstrings to support the -OO interpreter option #1792

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Handle NoneType docstrings to support the -OO interpreter option #1792

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1 change: 1 addition & 0 deletions pandas/core/format.py
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Original file line number Diff line number Diff line change
Expand Up @@ -156,6 +156,7 @@ class DataFrameFormatter(object):

"""

__doc__ = __doc__ if __doc__ else ''
__doc__ += docstring_to_string

def __init__(self, frame, buf=None, columns=None, col_space=None,
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4 changes: 3 additions & 1 deletion pandas/util/decorators.py
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Expand Up @@ -93,7 +93,9 @@ def __init__(self, addendum, join='', indents=0):
self.join = join

def __call__(self, func):
docitems = [func.__doc__ if func.__doc__ else '', self.addendum]
func.__doc__ = func.__doc__ if func.__doc__ else ''
self.addendum = self.addendum if self.addendum else ''
docitems = [func.__doc__, self.addendum]
func.__doc__ = ''.join(docitems)
return func

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