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allow multiple series argument calling in ufunc #45171

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allow multiple series argument calling in ufunc #45171

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bedb58a
allow multiple series argument calling in ufunc
miettal Jan 3, 2022
2312cc7
fix lint
miettal Jan 3, 2022
af455c5
change wrong comparation from isinstance() to is
miettal Jan 3, 2022
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4 changes: 3 additions & 1 deletion pandas/core/arraylike.py
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Original file line number Diff line number Diff line change
Expand Up @@ -247,6 +247,8 @@ def array_ufunc(self, ufunc: np.ufunc, method: str, *inputs: Any, **kwargs: Any)
--------
numpy.org/doc/stable/reference/arrays.classes.html#numpy.class.__array_ufunc__
"""
from pandas import DataFrame
from pandas import Series
from pandas.core.generic import NDFrame
from pandas.core.internals import BlockManager

Expand Down Expand Up @@ -295,7 +297,7 @@ def array_ufunc(self, ufunc: np.ufunc, method: str, *inputs: Any, **kwargs: Any)
# so this ends up just being x1.index | x2.index, but we write
# it to handle *args.

if len(set(types)) > 1:
if (any([t is DataFrame for t in types]) and any([t is Series for t in types])):
# We currently don't handle ufunc(DataFrame, Series)
# well. Previously this raised an internal ValueError. We might
# support it someday, so raise a NotImplementedError.
Expand Down