class_docstr: Base class for environment specific extensions.
class_docstr_tok: ["Base","class","for","environment","specific","extensions","."]
code: def __exit__(self, exc_type, exc_val, exc_tb):
      global _ENV
      _ENV = self._old_env
  
imports: import abc
  from typing import Optional
  from tfx.orchestration.experimental.core import orchestration_options
  from tfx.proto.orchestration import pipeline_pb2
  from tfx.utils import status
label_desc: Use image node_id 2 for calling the Env obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) without return types