parameters: (self)
docstring: Releases the lock and sets self._lock_file_fd to None.
docstring_summary: Releases the lock and sets self._lock_file_fd to None.
docstring_tokens: Releases the lock and sets self . _lock_file_fd to None .
function: def _release(self):
          """
          Releases the lock and sets self._lock_file_fd to None.
          """
          raise NotImplementedError()
function_tokens: def _release ( self ) : raise NotImplementedError ( )