pandas.api.extensions.ExtensionArray.unique# ExtensionArray.unique()[source]# Compute the ExtensionArray of unique values. Returns: pandas.api.extensions.ExtensionArray Examples >>> arr = pd.array([1, 2, 3, 1, 2, 3]) >>> arr.unique() <IntegerArray> [1, 2, 3] Length: 3, dtype: Int64