Update app.py

Try new type for chat history

app.py

@@ -329,7 +329,8 @@ def func_upload_file(files, chat_history):
     file_path = files
     print(file_path)
     # UpdateDb()
-    test_msg = ["Test upload"]
+    print(chat_history)
+    test_msg = ["Test upload", "Ongoing"]
     chat_history.append(test_msg)
     return chat_history