code: def _read(self, source):
          
          if source.startswith('http://') or source.startswith('https://'):
              source = url_content(source, cache_duration=self._cache_duration, from_cache_on_error=True)
  
          return super(RemoteConfig, self)._read(source)
docs: Reads and parses the config source
  
            :param file/str source: Config source URL (http/https), or string, file name, or file pointer.