Update app.py

app.py

@@ -188,7 +188,7 @@ async def generate_video_api(source_image: UploadFile = File(...), driven_audio:
 
 @app.get("/")
 async def root(request):
-    return templates.TemplateResponse("index.html", {"request": request})
+    return html
 
 # HTML Template (`templates/index.html`)
 html = """