Update app.py

app.py

@@ -619,7 +619,7 @@ else:
     else:
         risk_level = 'Low'
 
-none_selected_checked = answers_and_none[-1]
+    none_selected_checked = answers_and_none[-1]
     responses_checked = any(answers_and_none[:-1])
     none_selected = not responses_checked and none_selected_checked