Update app.py

app.py

@@ -13,6 +13,11 @@ import numpy as np
 import gradio as gr
 import os
 
+
+if gr.__version != "3.28.3":
+    os.system("pip uninstall -y gradio")
+    os.system("pip install gradio==3.28.3")
+
 description = """
 Our project is to use diffusion model to change the texture of our robotic arm simulation.