class_docstr: Abstract base class for a file lock object.
docstr: Acquire the lock.
  
  :return: the lock object
docstr_tok: ["Acquire","the","lock",".",":","return",":","the","lock","object"]
code: def __enter__(self):
      """
      Acquire the lock.
  
      :return: the lock object
      """
      self.acquire()
      return self
  
imports: import logging
  import time
  from threading import Lock
  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.__enter__() and returns: self