Fix the versionadded info for typing.NoReturn (GH-11880)
The earliest version that `typing.NoReturn` appears in is [3.5.4rc1](https://docs.python.org/3/whatsnew/changelog.html#python-3-5-4-release-candidate-1)
J
Jack Wilsdon committed
903567e4f54494c2f4148eec0504ad761ac942c2
Parent: 522630a
Committed by Mariatta <Mariatta@users.noreply.github.com>
on 2/15/2019, 7:20:28 PM