TelegramObject.to_dict(): cover cases where value is 0 or empty object

tsnoam · tsnoam · commit f107070db2f2 · 2016-04-26T17:47:37.000+03:00
diff --git a/telegram/base.py b/telegram/base.py
@@ -66,7 +66,7 @@ def to_dict(self):
 
         for key in iter(self.__dict__):
             value = self.__dict__[key]
-            if value or value == '':
+            if value is not None:
                 if hasattr(value, 'to_dict'):
                     data[key] = value.to_dict()
                 else:
