code: def __enter__(self):
      return self.acquire()
  
imports: import abc
  import atexit
  import contextlib
  import logging
  import os
  import pathlib
  import random
  import tempfile
  import time
  import typing
  import warnings
  from .None import constants, exceptions, portalocker
label_desc: Use image node_id 5 for calling the LockBase obj's underlying member method code with example usage: obj.__enter__() and returns: self