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check for np.str_ when checking strings #63029

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check for np.str_ when checking strings #63029

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4 changes: 2 additions & 2 deletions pandas/core/dtypes/inference.py
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Original file line number Diff line number Diff line change
Expand Up @@ -100,7 +100,7 @@ def iterable_not_string(obj: object) -> bool:
>>> iterable_not_string(1)
False
"""
return isinstance(obj, abc.Iterable) and not isinstance(obj, str)
return isinstance(obj, abc.Iterable) and not isinstance(obj, (str, np.str_))


@set_module("pandas.api.types")
Expand Down Expand Up @@ -467,7 +467,7 @@ def is_sequence(obj: object) -> bool:
iter(obj) # type: ignore[call-overload]
# Has a length associated with it.
len(obj) # type: ignore[arg-type]
return not isinstance(obj, (str, bytes))
return not isinstance(obj, (str, bytes, np.str_))
except (TypeError, AttributeError):
return False

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