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Added try-except clause to catch numpy error. #27970

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Added try-except clause to catch numpy error. #27970

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3eef1b6
Added try-except clause to catch numpy error.
dustanlevenstein Aug 17, 2019
976c2b8
Modified to use test instead of try-except.
dustanlevenstein Aug 17, 2019
e8b4d89
Reordered import statements.
dustanlevenstein Aug 17, 2019
534d87f
Used isort.
dustanlevenstein Aug 17, 2019
7b5d4cd
jbrockmendel's recommended change.
dustanlevenstein Aug 18, 2019
b76ade5
Added unit test.
dustanlevenstein Aug 18, 2019
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5 changes: 4 additions & 1 deletion pandas/core/internals/construction.py
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
is_list_like,
is_object_dtype,
)
from pandas.core.dtypes.dtypes import CategoricalDtype
from pandas.core.dtypes.generic import (
ABCDataFrame,
ABCDatetimeIndex,
Expand Down Expand Up @@ -223,7 +224,9 @@ def init_dict(data, index, columns, dtype=None):

# no obvious "empty" int column
if missing.any() and not is_integer_dtype(dtype):
if dtype is None or np.issubdtype(dtype, np.flexible):
if isinstance(dtype, CategoricalDtype):
nan_dtype = dtype
elif dtype is None or np.issubdtype(dtype, np.flexible):
# GH#1783
nan_dtype = object
else:
Expand Down