code: def check_testcase_implements_trial_reporter(done=[]):
      if done:
          return
      from zope.interface import classImplements
      from twisted.trial.itrial import IReporter
  
      classImplements(TestCaseFunction, IReporter)
      done.append(1)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import sys
  import traceback
  import _pytest._code
  import pytest
  from _pytest.compat import getimfunc
  from _pytest.config import hookimpl
  from _pytest.outcomes import fail
  from _pytest.outcomes import skip
  from _pytest.outcomes import xfail
  from _pytest.python import Class
  from _pytest.python import Function
label_desc: Use image node_id 5 for calling a global function with example usage: check_testcase_implements_trial_reporter(done) without return types