docs: def _parse_dict_string(self, string, key, default):
          """Take from a more recent redis.py, parse_info"""
          try:
              for item in string.split(','):
                  k, v = item.rsplit('=', 1)
                  if k == key:
                      try:
                          return int(v)
                      except ValueError:
                          return v
              return default
          except Exception:
              self.log.exception("Cannot parse dictionary string: %s" % string)
              return default