Update app.yaml

yufengg · yufengg · commit 0f8f34a5b5f4 · 2016-04-25T12:43:40.000-04:00
diff --git a/appengine/channel/app.yaml b/appengine/channel/app.yaml
@@ -1,6 +1,6 @@
 application: YOUR_PROJECT_ID
 version: 1
-runtime: python
+runtime: python27
 api_version: 1
 
 handlers:
