code: def get_pipe_name():
      try:
          return _AUTO_PIPES_VAR.get()
      except:  # pylint: disable=bare-except
          return None
  
file_path: towhee/towhee/runtime/auto_pipes.py
imports: from functools import wraps
  from typing import Optional
  import threading
  import contextvars
  import contextlib
  import towhee.runtime.pipeline_loader
  from towhee.utils.log import engine_log
label_desc: Use image node_id 2 for calling a global function with example usage: get_pipe_name() and returns: _AUTO_PIPES_VAR, None