code: def _chainerx_attribute_fallback(obj, chainerx_device):
      old_class = obj.__class__
      obj.__class__ = _make_chainerx_attribute_fallback_class(
          obj, chainerx_device
      )
      try:
          yield
      finally:
          obj.__class__ = old_class
  
imports: import collections
  import contextlib
  import heapq
  import inspect
  import traceback
  import weakref
  import six
  import chainer
  from chainer import _backprop_utils
  from chainer import backend
  from chainer.backends import cuda
  from chainer import configuration
  from chainer import function_hook
  from chainer.graph_optimizations.static_graph_utilities import static_forward_optimizations
  from chainer import utils
  from chainer.utils import type_check
  from chainer import variable
  import chainerx
label_desc: Use image node_id 7 for calling a global function with example usage: _chainerx_attribute_fallback(obj, chainerx_device) without return types