update

app.py

@@ -5,6 +5,7 @@ try:
     import spaces
 except:
     pass
+os.environ["PYDANTIC_STRICT_TYPE_CHECKING"] = "0"
 
 # Check if setup has been run
 setup_marker = ".setup_complete"
@@ -22,7 +23,7 @@ if not os.path.exists(setup_marker):
 
 import torch
 import gradio as gr
-from typing import *
+from typing import Tuple, List, Dict, Any, Optional
 from collections import deque
 from diffusers import StableDiffusionPipeline
 
@@ -57,7 +58,7 @@ def initialize_pipeline():
     return PIPELINE
 
 @spaces.GPU
-def generate_3d_mesh(prompt: str) -> Tuple[str, str]:
+def generate_3d_mesh(prompt: str) -> Tuple[Optional[str], Optional[str]]:
     """Generate 3D mesh from text prompt"""
     global PIPELINE, OBJ_FILE_QUEUE