Francesco Siddi 1eb1cd7b64 Fix for crash on extension blueprints loading
It the extension was registered with url_prefix=None, we set url_prefix to empty string so it can be added to blueprint.url_prefix.
2017-03-12 18:46:08 +01:00
..
2017-03-03 12:00:30 +01:00
2017-03-03 12:00:30 +01:00