class_docstr: No-op context manager.
code: def __exit__(self, exc_type, exc_value, traceback):
      return False
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import contextlib
  import copy
  import os
  import tensorflow
label_desc: Use image node_id 2 for calling the NoOpScope obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) and returns: False