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/pandas 0.23

pandas.api.extensions.ExtensionArray.unique

ExtensionArray.unique() [source]

Compute the ExtensionArray of unique values.

Returns:
uniques : ExtensionArray

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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.api.extensions.ExtensionArray.unique.html