Update app.py

app.py

@@ -346,13 +346,28 @@ def extract_glb(state: dict, mesh_simplify: float, texture_size: int) -> Tuple[s
             
         # GLB 변환
         with torch.inference_mode():
-            glb = postprocessing_utils.to_glb(
-                gs, 
-                mesh, 
-                simplify=mesh_simplify, 
-                texture_size=texture_size, 
-                verbose=True  # 디버깅을 위해 verbose 모드 활성화
-            )
+            try:
+                # 텐서들의 requires_grad를 False로 설정
+                for param in gs.parameters():
+                    if hasattr(param, 'requires_grad'):
+                        param.requires_grad_(False)
+                
+                if hasattr(mesh, 'vertices'):
+                    mesh.vertices.requires_grad_(False)
+                if hasattr(mesh, 'faces'):
+                    mesh.faces.requires_grad_(False)
+                
+                glb = postprocessing_utils.to_glb(
+                    gs, 
+                    mesh, 
+                    simplify=mesh_simplify, 
+                    texture_size=texture_size, 
+                    verbose=True
+                )
+                
+            except RuntimeError as e:
+                print(f"Runtime error during GLB conversion: {str(e)}")
+                return None, None
             
         if glb is None:
             print("Error: GLB conversion failed")