[docs] [issue10304] error in tutorial triple-string example

[R. David Murray]

R. David Murray <rdmurray at bitdance.com> added the comment:

I think the commit hook might object to the trailing blank (I'm not sure it applies to rst files, but I think it does).

----------
nosy: +r.david.murray

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10304>
_______________________________________