Removed extra spaces.GPU() decorator.

app.py

@@ -55,12 +55,12 @@ def load_yolo_model(model_name, confidence_threshold=0.5):
     global model
     model_path = model_name
     model = AutoDetectionModel.from_pretrained(
-        model_type="ultralytics", model_path=model_path, device='cuda:0', 
+        model_type="ultralytics", model_path=model_path, device=None, # auto device selection
         confidence_threshold=confidence_threshold, image_size=IMAGE_SIZE
     )
     return model
 
-@spaces.GPU()
+@spaces.GPU(duration=60)
 def sahi_yolo_inference(
     image,
     yolo_model_name,