code: def with_read_after_refresh_expire(self, flag, only_read=False):
          
          if not isinstance(flag, bool):
              self.logger.warning('Parameter flag %s must be boolean' % flag)
              return
          self.read_after_refresh_expire = flag
docs: >>> cache = Cache(log_level=logging.WARNING)
          >>> cache.read_after_refresh_expire
          True
          >>> cache.with_read_after_refresh_expire(False)
          >>> cache.read_after_refresh_expire
          False
          >>> cache.with_read_after_refresh_expire('haha')
          >>> cache.read_after_refresh_expire
          False