Merge pull request #28 from rh-marketingops/fix-multi-msg-app

tiny fix to multi-msg-app

Author: truthordata

fluvii/fluvii_app/fluvii_multi_msg_app.py

@@ -16,5 +16,6 @@ def _handle_message(self, **kwargs):
 
     def _finalize_app_batch(self):
         # Do it at the end of consuming instead!
-        self._app_function(self.transaction, *self._app_function_arglist)
+        if self.transaction.messages():
+            self._app_function(self.transaction, *self._app_function_arglist)
         super()._finalize_app_batch()