code: def __deepcopy__(self, memodict=None):
      obj = self.__class__.fromDict(self.toDict())
      if self.__frozen_keys:
          obj.freeze_keys()
      return obj
  
file_path: sacred/sacred/settings.py
imports: import platform
  from sacred.utils import SacredError
  import sacred.optional
  from munch import Munch
  from packaging import version
label_desc: Use image node_id 5 for calling the FrozenKeyMunch obj's underlying member method code with example usage: obj.__deepcopy__(memodict) and returns: obj