- update to 3.5.2:
* Fix async-to-async typo
* Add tests for sync_to_async
* Improved docs - Starlette supports WebSockets
* Use get_event_loop in class-level code
* Changed how StatelessServer handles event loops
* Fixed pytest_asyncio deprecation warning.
* Drop python 3.6, add python 3.10
* Fix allowed values for spec_version
* Rewrote multiprocessing test to use no local functions
* Fixed a typographical error
* Remove SOCK_NONBLOCK from socket creation on tests
* Preserve CurrentThreadExecutor across create_task
* Don't warn 'non-async-marked callable' for async callable instance
* Disallow async callable class instances as callable
* Fix root_path in WebSocket Connection Scope