code: def test_one_arg(self):
      MyArray, implements = _new_duck_type_and_implements()
  
      @implements(dispatched_one_arg)
      def _(array):
          return "myarray"
  
      assert_equal(dispatched_one_arg(1), "original")
      assert_equal(dispatched_one_arg(MyArray()), "myarray")
  
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 1 for calling the TestArrayFunctionImplementation obj's underlying member method code with example usage: obj.test_one_arg() and returns: str