code: def testWithClassMethod(self):
      code = function_utils.get_func_code(self.testWithClassMethod)
      self.assertIsNotNone(code)
      self.assertRegex(code.co_filename, "function_utils_test.py")
  
imports: import functools
  from tensorflow.python.platform import test
  from tensorflow.python.util import function_utils
label_desc: Use image node_id 2 for calling the GetFuncCodeTest obj's underlying member method code with example usage: obj.testWithClassMethod() without return types