on_modal doesn't work

[NotTrueFalse]

Summary

I tried on_modal event and it didn't work

Reproduction Steps

install discord.py-self : version = '2.1.0a' (from github)
create a simple client instance with the event (look code submission).
use a bot to trigger a modal event.
nothing out 🤔.

Code

class MyClient(discord.Client):
    async def on_ready(self):
        print('Logged on as', self.user)
        
    async def on_modal(self, modal:discord.Modal):
        print(modal)

client = MyClient()
client.run(conf["token"])

Expected Results

The function should be called, and it should print something.

Actual Results

nothing

System Information

• Python v3.11.7-final
• discord.py-self v2.1.0-alpha
  • discord.py-self metadata: v2.1.0a4840+g43f46aa8
• aiohttp v3.9.3
• system info: Windows 10 10.0.22631

Checklist

• I have searched the open issues for duplicates.
• I have shared the entire traceback.
• I am using a user token (and it isn't visible in the code).

Additional Information

No response