code: def commit(cls, client=None):
          
          if not client:
              client = cls._client
          rtn = client.write_points(cls._json_body_())
          cls._reset_()
          return rtn
docs: Commit everything from datapoints via the client.
  
          :param client: InfluxDBClient instance for writing points to InfluxDB.
          :attention: any provided client will supersede the class client.
          :return: result of client.write_points.