Some of the asyncio SSL changes in GH-31275 [1] were taken from v0.16.0 of the uvloop project [2]. In order to comply with the MIT license, we need to just need to document the copyright information. [1]: https://github.com/python/cpython/pull/31275 [2]: https://github.com/MagicStack/uvloop/tree/v0.16.0