Add versionadded (3.4.5) to docs for issue #22570.

gvanrossum · gvanrossum · commit b1360543e53b · 2016-01-06T11:23:31.000-08:00
diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
@@ -381,6 +381,7 @@ Pure paths provide the following methods and properties:
    ``arg = str(arg)``, this will still raise an exception if an object
    of some other type is given by accident.
 
+   .. versionadded:: 3.4.5
 
 .. data:: PurePath.suffix
 
