Forces yes/no before submit of score

app.py

@@ -127,7 +127,14 @@ with gr.Blocks(theme = theme) as user_eval:
             eval_2 = gr.Slider(1, 5, step = 0.5, label = "Quality")
             desc_3 = gr.Markdown("How effectively does the passage **lead you to the correct answer?**")
             eval_3 = gr.Slider(1, 5, step = 0.5, label = "Helpfulness")
-            btn_p = gr.Button("Next")
+            btn_p = gr.Button("Next", interactive = False)
+            # Users must enter in a yes/no value before moving on
+            def sanitize_score(rad):
+                if rad == None:
+                    return {btn_p: gr.Button(interactive = False)}
+                else:
+                    return {btn_p: gr.Button(interactive = True)}
+            eval_0.change(fn = sanitize_score, inputs = [eval_0], outputs = [btn_p])
         
         with gr.Column(scale = 1, visible = False) as scores_g: 
             helps = gr.Markdown("Does this information **help answer** the question?")