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Clean groupby error message #28324

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Sep 7, 2019
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4 changes: 1 addition & 3 deletions pandas/core/groupby/ops.py
Original file line number Diff line number Diff line change
Expand Up @@ -463,9 +463,7 @@ def _cython_operation(self, kind, values, how, axis, min_count=-1, **kwargs):
# categoricals are only 1d, so we
# are not setup for dim transforming
if is_categorical_dtype(values) or is_sparse(values):
raise NotImplementedError(
"{} are not support in cython ops".format(values.dtype)
)
raise NotImplementedError("{} dtype not supported".format(values.dtype))
elif is_datetime64_any_dtype(values):
if how in ["add", "prod", "cumsum", "cumprod"]:
raise NotImplementedError(
Expand Down