code: def test_cycle(self):
      class Cyclist(object):
          pass
  
      Cyclist.cycle = Cyclist
  
      visitor = TestVisitor()
      traverse.traverse(Cyclist, visitor)
  
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 1 for calling the TraverseTest obj's underlying member method code with example usage: obj.test_cycle() without return types