Update app.py

app.py

@@ -262,4 +262,4 @@ async def update_streams(request: Request):
         
         # main
         mainFunc(STREAM_ID, SOURCE_BRANCH, TARGET_BRANCH, UUID_COL, ATTR_METADATA, KPI_METADATA, DEFAULT_ATTRIBUTES, DATASET_NAME, update_source)
- 
+    return "Success"