class_docstr: RunEnv saves the running environment of the train/dev/predict phase, including program, reader, metrics and so on.
code: def __getattr__(self, key: str) -> Any:
      return self.__dict__[key]
  
file_path: PaddleHub/paddlehub/compat/task/task_utils.py
imports: import copy
  import time
  from typing import Any
  import paddle.utils.unique_name
label_desc: Use image node_id 3 for calling the RunEnv obj's underlying member method code with example usage: obj.__getattr__(key) and returns: self