downgrade gradio in app.py

app.py

@@ -6,12 +6,16 @@
 #    Email         : zhangfan@baai.ac.cn
 #    Institute     : Beijing Academy of Artificial Intelligence (BAAI)
 #    Create On     : 2023-12-11 15:34
-#    Last Modified : 2023-12-20 14:17
+#    Last Modified : 2023-12-20 14:22
 #    File Name     : app.py
 #    Description   :
 #
 # ===================================================
 
+import os
+os.system("pip uninstall -y gradio")
+os.system("pip install gradio==3.40.1")
+
 import argparse
 
 import gradio as gr