code: def update_backend(cls, backend):
      return cls._context(backend)
  
file_path: ivy/ivy_tests/test_ivy/helpers/pipeline_helper.py
imports: from enum import Enum
  from typing import Callable
  import ivy
  import importlib
label_desc: Use image node_id 2 for calling the BackendHandler obj's underlying member method code with example usage: obj.update_backend(cls, backend) and returns: cls