[issue8413] String interpolation doesn't work with sys.version_info

[Ezio Melotti]

Changes by Ezio Melotti <ezio.melotti at gmail.com>:


----------
nosy: +ezio.melotti
stage:  -> unit test needed

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue8413>
_______________________________________