Update app.py

app.py

@@ -354,7 +354,7 @@ class DemandForecasting:
 
 
             # Split the string by comma and convert it into a list
-            column_list = column_list.split(", ")
+            column_list = column_list.split(",")
 
             print("train_csv_path", train_csv_path)
             print("audio_path", audio_path)