Change persistent view example to use new setup_hook

examples/views/persistent.py

@@ -33,20 +33,18 @@ class PersistentViewBot(commands.Bot):
     def __init__(self):
         intents = discord.Intents.default()
         intents.message_content = True
-        
+
         super().__init__(command_prefix=commands.when_mentioned_or('$'), intents=intents)
-        self.persistent_views_added = False
 
-    async def on_ready(self):
-        if not self.persistent_views_added:
-            # Register the persistent view for listening here.
-            # Note that this does not send the view to any message.
-            # In order to do this you need to first send a message with the View, which is shown below.
-            # If you have the message_id you can also pass it as a keyword argument, but for this example
-            # we don't have one.
-            self.add_view(PersistentView())
-            self.persistent_views_added = True
+    async def setup_hook(self) -> None:
+        # Register the persistent view for listening here.
+        # Note that this does not send the view to any message.
+        # In order to do this you need to first send a message with the View, which is shown below.
+        # If you have the message_id you can also pass it as a keyword argument, but for this example
+        # we don't have one.
+        self.add_view(PersistentView())
 
+    async def on_ready(self):
         print(f'Logged in as {self.user} (ID: {self.user.id})')
         print('------')