code: def __ior__(self, other):
      self.update(other)
      return self
  
imports: from __future__ import annotations
  import weakref
  from weakref import ref
  from _weakrefset import _IterationGuard
  from collections.abc import MutableMapping, Mapping
  from torch import Tensor
  import collections.abc
label_desc: Use image node_id 21 for calling the WeakIdKeyDictionary obj's underlying member method code with example usage: obj.__ior__(other) and returns: self