code: def create_dummy_patch():
      if mock is not None:
          return mock.patch.object(
              DummyPatchTarget(), "dummy_attribute", new=None
          )
      else:
          raise ImportError("Missing mock package")
  
imports: import re
  import sys
  import inspect
  import warnings
  from typing import Iterable
  from functools import wraps
  from types import MethodType
  from collections import namedtuple
  from unittest import TestCase
label_desc: Use image node_id 1 for calling the DummyPatchTarget obj's underlying member method code with example usage: obj.create_dummy_patch() and returns: mock