okay, that was dumb, gah

app.py

@@ -35,7 +35,7 @@ with demo:
     psi=gr.Slider(0, 2, step=0.05, default=0.7, label='Truncation psi')
     #outputImage = gr.Image(label="portrait",type="filepath", shape=(256,256))
     output_image = gr.Image(label="portrait",type="filepath", shape=(256,256))
-    model = gr.Model3D(clear_color=[0.0, 0.0, 0.0, 0.0],  label="3D Model"),
+    model = gr.Model3D(clear_color=[0.0, 0.0, 0.0, 0.0],  label="3D Model")
     file= gr.File(label="Download 3D Model")