TypeError: Object of type 'Message' is not JSON serializable

[EvgeniyAlf]

Sep 3 17:48:31 ####### postfix/pipe[9909]: 4E2D6614394E: to=<####@#######.ru>, relay=telegram-mailgate, delay=1.1, delays=0.43/0/0/0.72, dsn=5.3.0, status=bounced (Command died with status 1: "/usr/local/bin/telegram-mailgate.py". Command output: Traceback (most recent call last): File "/usr/local/bin/telegram-mailgate.py", line 87, in bot.sendMessage(chat_id=chat_id, text=content) File "", line 2, in send_message File "/home/telegram-mailer/.local/lib/python3.6/site-packages/telegram/bot.py", line 67, in decorator result = func(*args, **kwargs) File "/home/telegram-mailer/.local/lib/python3.6/site-packages/telegram/bot.py", line 348, in send_message timeout=timeout, **kwargs) File "/home/telegram-mailer/.local/lib/python3.6/site-packages/telegram/bot.py", line 175, in _message result = self._request.post(url, data, timeout=timeout) File "/home/telegram-mailer/.local/lib/python3.6/site-packages/telegram/utils/request.py", line 331, in post body=json.dumps(data).encode('utf-8'), File "/usr/lib64/python3.6/json/init.py", line 231, in dumps return _default_encoder.encode(obj) File "/usr/lib64/python3.6/json/encoder.py", line 199, in encode chunks = self.iterencode(o, _one_shot=True) File "/usr/lib64/python3.6/json/encoder.py", line 257, in iterencode return _iterencode(o, 0) File "/usr/lib64/python3.6/json/encoder.py", line 180, in default o.class.name) TypeError: Object of type 'Message' is not JSON serializable )