fix empty inferences

app.py

@@ -6,9 +6,12 @@ def yoloV8_func(image: gr.Image = None):
     model_path = "models/last.pt"
     model = YOLO(model_path)
     results = model.predict(image)
-    mask_json = results[0].masks.xy
+    masks_json = []
+    for result in results:
+        if result.masks:
+            masks_json.append(result.masks.xy)
 
-    return str(mask_json)
+    return str(masks_json)
 
 
 yolo_app = gr.Interface(