code: def _move_file_to_dest_dir(self, filename):
          '''Move the file to the ``move_to`` directory.'''
          assert self._params.move_to
  
          if os.path.isdir(self._params.move_to):
              _logger.debug('Moved {} to {}.', self._warc_filename,
                            self._params.move_to)
              shutil.move(filename, self._params.move_to)
          else:
              _logger.error('{} is not a directory; not moving {}.',
                            self._params.move_to, filenamef _move_file_to_dest_dir(self, filename):
          '''Move the file to the ``move_to`` directory.'''
          assert self._params.move_to
  
          if os.path.isdir(self._params.move_to):
              _logger.debug('Moved {} to {}.', self._warc_filename,
                            self._params.move_to)
              shutil.move(filename, self._params.move_to)
          else:
              _logger.error('{} is not a directory; not moving {}.',
                            self._params.move_to, filename)
docs: Move the file to the ``move_to`` directory.