code: def __exit__(self, etype, exception, traceback):
      pass
  
imports: from datetime import datetime
  import importlib
  import logging
  import numpy
  import tensorflow
  from tensorforce import TensorforceError
label_desc: Use image node_id 3 for calling the NullContext obj's underlying member method code with example usage: obj.__exit__(etype, exception, traceback) without return types