Update app.py

app.py

@@ -205,7 +205,7 @@ def extract_glb(
     
     import aspose.threed as a3d
     scene = a3d.Scene.from_file(glb_path)
-    scene.save(os.path.join(user_dir), 'print-me.3MF'
+    scene.save(os.path.join(user_dir), 'print-me.3MF')
     glb.export(glb_path)
     torch.cuda.empty_cache()
     return glb_path, glb_path