Update app.py

app.py

@@ -78,16 +78,13 @@ def run_query(file, history, query):
     result = local_query(query, context)
     print('printing result after call back')
     print(result)
-
-    
-    history = history.append(result)
-
+    print(history)
     history.append((query, result))
         
 
     print('printing history')
     print(history)
-    return chat_history, ""
+    return history, ""