code: def _lazy_import_entry_point(backend_name: str):
      from importlib.metadata import entry_points
  
      compiler_fn = None
      group_name = "torch_dynamo_backends"
      if sys.version_info < (3, 10):
          backend_eps = entry_points()
          eps = [
              ep
              for ep in backend_eps.get(group_name, ())
              if ep.name == backend_name
          ]
          if len(eps) > 0:
              compiler_fn = eps[0].load()
      else:
          backend_eps = entry_points(group=group_name)
          if backend_name in backend_eps.names:
              compiler_fn = backend_eps[backend_name].load()
  
      if compiler_fn is not None and backend_name not in list_backends(
          tuple()
      ):
          register_backend(compiler_fn=compiler_fn, name=backend_name)
  
file_path: pytorch/torch/_dynamo/backends/registry.py
imports: import functools
  import sys
  from typing import Callable, Dict, List, Optional, Protocol, Sequence, Tuple
  import torch
  from torch import fx
label_desc: Use image node_id 5 for calling a global function with example usage: _lazy_import_entry_point(backend_name) without return types