pandas.Categorical.__array__
- 
Categorical.__array__(dtype=None)[source]
- 
The numpy array interface. Returns: values : numpy array A numpy array of either the specified dtype or, if dtype==None (default), the same dtype as categorical.categories.dtype 
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Licensed under the 3-clause BSD License.
    https://pandas.pydata.org/pandas-docs/version/0.20.3/generated/pandas.Categorical.__array__.html