Update app.py

app.py

@@ -131,6 +131,7 @@ def mainFunc(STREAM_ID, SOURCE_BRANCH, TARGET_BRANCH, UUID_COL, ATTR_METADATA, K
     stream_new["logs"] = json.dumps(log)
     stream_new["attributeMetaData"] = json.dumps(attributeMetaData)
     stream_new["availableAttributes"] = json.dumps(availableAttributes)
+    stream_new["dataset"] = DATASET_NAME
 
 
     # set stream and branch