Update app.py

app.py

@@ -107,7 +107,8 @@ iface = gr.Interface(
     calculator,
     ["number", gr.Radio(["add", "subtract", "multiply", "divide"]), "number"],
     "number",
-    allow_flagging="manual"
+    allow_flagging="manual",
+    flagging_options=["wrong sign", "off by one", "other"]
 )
 
 iface.launch()