code: def unique(self):
      # Parent method doesn't work since np.array will try to infer
      # a 2-dim object.
      return type(self)(
          [dict(x) for x in {tuple(d.items()) for d in self.data}]
      )
  
imports: from __future__ import annotations
  from collections import UserDict, abc
  import itertools
  import numbers
  import string
  import sys
  from typing import TYPE_CHECKING, Any
  import numpy
  from pandas.core.dtypes.cast import construct_1d_object_array_from_listlike
  from pandas.core.dtypes.common import is_bool_dtype, is_list_like, pandas_dtype
  import pandas
  from pandas.api.extensions import ExtensionArray, ExtensionDtype
  from pandas.core.indexers import unpack_tuple_and_ellipses
label_desc: Use image node_id 15 for calling the JSONArray obj's underlying member method code with example usage: obj.unique() and returns: type