fix cache_time==0 case

jh0ker · jh0ker · commit a98919a86e14 · 2016-04-19T00:08:47.000+02:00
diff --git a/telegram/bot.py b/telegram/bot.py
@@ -797,7 +797,7 @@ def answerInlineQuery(self,
         data = {'inline_query_id': inline_query_id,
                 'results': results}
 
-        if cache_time:
+        if cache_time or cache_time == 0:
             data['cache_time'] = int(cache_time)
         if is_personal:
             data['is_personal'] = bool(is_personal)
