PI-414 : Fixed launch_stack bug with post return data

Author: WLPhoenix

stackdio/client/__init__.py

@@ -337,7 +337,7 @@ def get_zone(self, title, type_name="ec2"):
     @endpoint("stacks/")
     def launch_stack(self, stack_data):
         """Launch a stack as described by stack_data"""
-        return self._post(endpoint, data=json.dumps(stack_data), jsonify=True)['results']
+        return self._post(endpoint, data=json.dumps(stack_data), jsonify=True)
 
 
     @endpoint("stacks/{stack_id}/hosts/")