code: def __exit__(self, exc_type, exc_val, exc_tb):
      previous_backend()
  
imports: import os
  import copy
  import types
  import ivy
  import importlib
  import functools
  import numpy
  import gc
  from ivy.utils import _importlib, verbosity
  from ivy.func_wrapper import _wrap_function
  from ivy.utils.backend.sub_backend_handler import _clear_current_sub_backends, fn_name_from_version_specific_fn_name
  from ivy.utils.exceptions import _handle_inplace_mode
label_desc: Use image node_id 3 for calling the ContextManager obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_val, exc_tb) without return types