Update app.py

app.py

@@ -2,6 +2,9 @@ import gradio as gr
 from gradio_model4dgs import Model4DGS
 import os
 
+os.system("pip uninstall -y gradio")
+os.system("pip install gradio==4.21.0")
+
 image_dir = os.path.join(os.path.dirname(__file__), "assets")
 
 if os.path.exists(image_dir) and os.path.isdir(image_dir) and os.listdir(image_dir):