Not working with python 3.10 version

[Vadym Tishchenko]

• aiohttp-devtools version:
• aiohttp-devtools==0.13.1
• aiohttp version:
• aiohttp==3.8.1
• python version:
• Python 3.10.0
• Platform:
• macOS 12.1 21C52 arm64

Issue Summary

TypeError: As of 3.10, the loop parameter was removed from Event() since it is no longer necessary

Steps to reproduce

• Install python 3.10
• Create simple aiohttp server
• try to run with adev runserver

[Sam Bull]

Duplicate #389

[Sam Bull]

Released now. Should be working with 3.10, but the test are failing currently (#376), so let me know if there are any issues.