fixing error on apikey input

app.py

@@ -275,10 +275,12 @@ def interface():
             
             # Event Handler for API Key
             def toggle_api_key_input(value):
-                if (value == "Yes"):
-                    task_apikey_input.visible
+                if value == "Yes":
+                    task_apikey_input.visible = True
+                else:
+                    task_apikey_input.visible = False
             
-            have_key.elem.oninput(toggle_api_key_input)
+            have_key.oninput(toggle_api_key_input)
             task_apikey_input.elem.oninput(update_api_key, inputs=task_apikey_input)
             
             # vicuna_strategies_respond(strategy, task_name, task_ling_ent, message, chat_history):