Fix poll options serialization

telebot/__init__.py

@@ -1217,7 +1217,7 @@ class TeleBot:
         Send polls
         :param chat_id:
         :param question:
-        :param options:
+        :param options: array of str with answers
         :param is_anonymous:
         :param type:
         :param allows_multiple_answers:

telebot/apihelper.py

@@ -1008,7 +1008,7 @@ def send_poll(
     payload = {
         'chat_id': str(chat_id),
         'question': question,
-        'options': _convert_list_json_serializable(options)}
+        'options': json.dumps(options)}
 
     if is_anonymous is not None:
         payload['is_anonymous'] = is_anonymous