class_docstr: Abstract base class for a file lock object.
docstr: :return: A boolean indicating if the lock file is holding the lock currently.
  
  .. versionchanged:: 2.0.0
  
      This was previously a method and is now a property.
code: def is_locked(self) -> bool:
      """
  
      :return: A boolean indicating if the lock file is holding the lock currently.
  
      .. versionchanged:: 2.0.0
  
          This was previously a method and is now a property.
      """
      return self._context.lock_file_fd is not None
  
imports: from __future__ import annotations
  import contextlib
  import logging
  import os
  import time
  import warnings
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from threading import local
  from typing import TYPE_CHECKING, Any, ClassVar
  from weakref import WeakValueDictionary
  from ._error import Timeout
label_desc: Use image node_id 10 for calling the BaseFileLock obj's underlying member method code with example usage: obj.is_locked() and returns: unknown