docstr: This currently fails in NumPy on np.array(self, dtype=str) with
  
  *** ValueError: setting an array element with a sequence
docstr_tok: ["This","currently","fails","in","NumPy","on","np.array","(","self",",","dtype=str",")","with","*","*","*","ValueError",":","setting","an","array","element","with","a","sequence"]
code: def test_astype_str(self):
      """This currently fails in NumPy on np.array(self, dtype=str) with
  
      *** ValueError: setting an array element with a sequence
      """
      super().test_astype_str()
  
imports: import collections
  import operator
  import sys
  import numpy
  import pytest
  import pandas
  import pandas._testing
  from pandas.tests.extension import base
  from pandas.tests.extension.json.array import JSONArray, JSONDtype, make_data
label_desc: Use image node_id 21 for calling the TestJSONArray obj's underlying member method code with example usage: obj.test_astype_str() without return types