fix message to json

telegram/utils/botan.py

@@ -35,7 +35,7 @@ class Botan(object):
         except AttributeError:
             self.logger.warn('No chat_id in message')
             return False
-        data = json.dumps(message.__dict__)
+        data = message.to_json()
         try:
             url = self.url_template.format(token=str(self.token),
                                            uid=str(uid),

tests/test_botan.py

@@ -17,6 +17,9 @@ class MessageMock(object):
     def __init__(self, chat_id):
         self.chat_id = chat_id
 
+    def to_json(self):
+        return "{}"
+
 
 class BotanTest(BaseTest, unittest.TestCase):
     """This object represents Tests for Botan analytics integration."""