fix attachment_action inputs property

Jian Chen · Jian Chen · commit 9b904f95d541 · 2019-10-28T17:00:01.000+08:00
diff --git a/webexteamssdk/models/mixins/attachment_action.py b/webexteamssdk/models/mixins/attachment_action.py
@@ -70,7 +70,7 @@ def messageId(self):
     @property
     def inputs(self):
         """The attachment action's inputs"""
-        return self._json_data('inputs')
+        return self._json_data.get('inputs')
 
     @property
     def created(self):
