mitsuhiko/werkzeug — pull request #478 by Mattias- (2013-12-27 17:27:19+00:00)
Title: Moved unquoting of slashes in url to after routing

The unquoting of slashes is done before routing and this is creating an unexpected behavior.
See the following related issue in the repo for flask:
https://github.com/mitsuhiko/flask/issues/900