changes

app.py

@@ -25,7 +25,7 @@ theme = gr.themes.Soft(
 
 with gr.Blocks(theme=theme) as GenDemo:
     with gr.Tab("Image to Image Generator"):
-        button_choice = gr.Radio(label="Choose a model", choices=["Text to Image", "Image to Image"], default="Text to Image")
+        button_choice = gr.Radio(label="Choose a model", choices=["Text to Image", "Image to Image"], value="Text to Image")
         with gr.Row(variant="panel"):
             with gr.Column():
                 prompt = gr.Textbox(label="Enter a discription of a shoe")