add a default model

app.py

@@ -117,7 +117,7 @@ def run(img_path, model_ind):
   
 demo = gr.Interface(
     fn=run,
-    inputs=["image", gr.Dropdown(["YOLOv8n", "YOLOv8s", "YOLOv8m", "YOLOv8l", "YOLOv8x"], label="Model", info="The larger the model, the slower and more performant it is.")],
+    inputs=["image", gr.Dropdown(["YOLOv8n", "YOLOv8s", "YOLOv8m", "YOLOv8l", "YOLOv8x"], label="Model", value="YOLOv8n", info="The larger the model, the slower and more performant it is.")],
     outputs=["image"],
 )