sigh

app.py

@@ -1,12 +1,10 @@
 import spaces
 import gradio as gr
-import torch
 import numpy as np
 from PIL import Image
 import base64
 import io
 from typing import Dict, Any
-from transformers import Sam3Model, Sam3Processor
 import warnings
 warnings.filterwarnings("ignore")
 
@@ -14,9 +12,13 @@ warnings.filterwarnings("ignore")
 def sam3_inference(image, text_prompt, confidence_threshold=0.5):
     """
     Standalone GPU function with model initialization for Spaces Stateless GPU
-    All CUDA operations must happen inside this decorated function
+    All CUDA operations and related imports must happen inside this decorated function
     """
     try:
+        # Import torch and transformers inside GPU function to avoid main process CUDA init
+        import torch
+        from transformers import Sam3Model, Sam3Processor
+
         # Initialize model and processor inside GPU function (required for Stateless GPU)
         device = "cuda" if torch.cuda.is_available() else "cpu"
         model = Sam3Model.from_pretrained(