Log Message:
py-sanic: updated to 20.6.3

Version 20.6.3

Bugfixes
* Revert change to multiprocessing mode

Version 20.6.2

Features
* Socket binding implemented properly for IPv6 and UNIX sockets

Version 20.6.1

Features
* Add version parameter to websocket routes
* Add sanic as an entry point command
* Add handler names for websockets for url_for usage

Bugfixes
* Bug fix for host parameter issue with lists
* Fix static _handler pickling error
* Fix reloader on OSX py38 and Windows
* Reverse named_response_middlware execution order, to match normal response \ 
middleware execution order
* Fix pickle error when attempting to pickle an application which contains \ 
websocket routes

Deprecations and Removals
* Deprecate body_bytes to merge into body

Developer infrastructure
* Fix naming of CI test env on Python nightlies
* Adjust websockets version to setup.py
* Wrap run()'s "protocol" type annotation in Optional[]

Improved Documentation
* Update docs to clarify response middleware execution order
* Fixing rst format issue that was hiding documentation