class_docstr: Raised when the lock could not be acquired in *timeout* seconds.
docstr: :return: The path of the file lock.
docstr_tok: [":","return",":","The","path","of","the","file","lock","."]
code: def lock_file(self) -> str:
      """:return: The path of the file lock."""
      return self._lock_file
  
file_path: catboost/contrib/python/filelock/py3/filelock/_error.py
imports: from __future__ import annotations
  from typing import Any
label_desc: Use image node_id 5 for calling the Timeout obj's underlying member method code with example usage: obj.lock_file() and returns: self