code: def test_non_class(self):
      integer = 5
      visitor = TestVisitor()
      traverse.traverse(integer, visitor)
      self.assertEqual([], visitor.call_log)
  
file_path: tensorflow-upstream/tensorflow/tools/common/traverse_test.py
imports: from tensorflow.python.platform import googletest
  from tensorflow.tools.common import test_module1
  from tensorflow.tools.common import test_module2
  from tensorflow.tools.common import traverse
label_desc: Use image node_id 4 for calling the TraverseTest obj's underlying member method code with example usage: obj.test_non_class() without return types