Avoid user to use a 0. repetition penalty

app_dialogue.py

@@ -423,7 +423,7 @@ with gr.Blocks(title="IDEFICS Playground", theme=gr.themes.Base()) as demo:
                 label="Maximum number of new tokens to generate",
             )
             repetition_penalty = gr.Slider(
-                minimum=0.0,
+                minimum=0.01,
                 maximum=5.0,
                 value=1.0,
                 step=0.01,