code: def __enter__(self):
      self._is_parent = True
      self._refresh()
      return self
  
imports: import sys
  import warnings
  from time import time
  from typing import cast, Iterable, Sized, TextIO
  from captum._utils.typing import Literal
label_desc: Use image node_id 2 for calling the SimpleProgress obj's underlying member method code with example usage: obj.__enter__() and returns: self