title: clickhouse_driver.errors.UnexpectedPacketFromServerError: Code: 102. Unexpected packet from server None:None
body: <p>I'm trying to connect clickhouse_driver<br />
  =&gt; python3.9<br />
  =&gt;clickhouse_driver-0.2.1<br /></p>
  <blockquote>
  <p>【error】clickhouse_driver.errors.UnexpectedPacketFromServerError: Code: 102. Unexpected packet from server None:None (expected Hello or Exception, got Unknown packet)<br />
  【DataGrip】Use is normal on DataGrip</p>
  </blockquote>
  <pre><code>class ClickHouse(DB_BASE):
      _user = 'default'
      _pass = 'ddfc272d99a308192ec5961f06133b14b56d2d89ae70ecb02d4acf40d21d1692'
      elec_database = 'test'
      send_receive_timeout = 20000
  
      def db_connection(self):
          connectConf = {'host': '127.0.0.1', 'port': 8123, 'user': self._user, 'password': self._pass,
                         'send_receive_timeout': self.send_receive_timeout}
          conn = Client(**connectConf)
          sqlSentence = 'show databases'
          rows = conn.execute(sqlSentence)
  </code></pre>