code: def test_find_code_in_diffusers(self):
      code = check_copies.find_code_in_diffusers(
          "schedulers.scheduling_ddpm.DDPMSchedulerOutput"
      )
      self.assertEqual(code, REFERENCE_CODE)
  
file_path: diffusers/tests/others/test_check_copies.py
imports: import os
  import re
  import shutil
  import sys
  import tempfile
  import unittest
  import check_copies
label_desc: Use image node_id 4 for calling the CopyCheckTester obj's underlying member method code with example usage: obj.test_find_code_in_diffusers() without return types