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)
2019-02-15 19:20:28 +00:00 · 2019-02-15 19:20:28 +00:00 · 903567e4f5
parent 522630a746
commit 903567e4f5
1 changed files with 1 additions and 1 deletions
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@ -958,7 +958,7 @@ The module defines the following classes, functions and decorators:
      def stop() -> NoReturn:
          raise RuntimeError('no way')

-   .. versionadded:: 3.6.5
+   .. versionadded:: 3.5.4

 .. data:: Union