default radio option

app.py

@@ -43,7 +43,7 @@ def download_bin():
         os.rename(model_bin, bin_path)
 
 
-def run_attn(input_img,fusion="min"):
+def run_attn(input_img,fusion):
     download_bin()
     model, embedding_dim, transform, metadata = get_model()
     if input_img.shape[0] != 3:
@@ -69,7 +69,7 @@ def run_attn(input_img,fusion="min"):
     return attn_img, fig
 
 input_img = gr.Image(shape=(250,250))
-input_button = gr.Radio(["min", "max", "mean"], label="Attention Head Fusion", info="How to combine the last layer attention across all 12 heads of the transformer.")
+input_button = gr.Radio(["min", "max", "mean"], value="min",label="Attention Head Fusion", info="How to combine the last layer attention across all 12 heads of the transformer.")
 output_img = gr.Image(shape=(250,250))
 output_plot = gr.Plot()