Update app.py

app.py

@@ -280,6 +280,7 @@ def reconstruct_3d_model(images, prompt):
 
 # Gradio 接口函数
 def gradio_pipeline(prompt, seed):
+    global model
     model.init_flexicubes_geometry(device, fovy=50.0)
     model = model.eval()
     # 生成多视图图像