Python issue #22369: Change "context manager protocol" to "context management protocol". Patch written by Serhiy Storchaka <storchaka@gmail.com>.
Python issue #22369: Change "context manager protocol" to "context management protocol".
Patch written by Serhiy Storchaka <storchaka@gmail.com>.

overcastcloud/trollius,overcastcloud/trollius,overcastcloud/trollius