class_docstr: Set an environment variable for the context and unset it afterwards.
class_docstr_tok: ["Set","an","environment","variable","for","the","context","and","unset","it","afterwards","."]
code: def __init__(self, key, value):
      self.key = key
      self.value = value
  
imports: import os
  import socket
  import sys
  import threading
  from absl import flags
  import tensorflow
  from tensorflow_hub import resolver
label_desc: Use image node_id 1 to create a new EnvVariableContextManager object from inherited base classes: object with example: obj = EnvVariableContextManager(key, value)