code: def test_no_wrapper(self):
      # This shouldn't happen unless a user intentionally calls
      # __array_function__ with invalid arguments, but check that we raise
      # an appropriate error all the same.
      array = np.array(1)
      func = lambda x: x
      with assert_raises_regex(AttributeError, "_implementation"):
          array.__array_function__(
              func=func, types=(np.ndarray,), args=(array,), kwargs={}
          )
  
imports: import inspect
  import sys
  import os
  import tempfile
  from io import StringIO
  from unittest import mock
  import numpy
  from numpy.testing import assert_, assert_equal, assert_raises, assert_raises_regex
  from numpy.core.overrides import _get_implementing_args, array_function_dispatch, verify_matching_signatures
  from numpy.compat import pickle
  import pytest
label_desc: Use image node_id 2 for calling the TestNDArrayArrayFunction obj's underlying member method code with example usage: obj.test_no_wrapper() without return types