BUG: Series with Categorical and dtype · Issue #12574 · pandas-dev/pandas (original) (raw)

In [37]: pd.Series(pd.Categorical([1,2,3]), dtype='category')

ValueError Traceback (most recent call last) in () ----> 1 pd.Series(pd.Categorical([1,2,3]), dtype='category')

ValueError: cannot specify a dtype with a Categorical