schneimi

Two days before building worked just fine, today I run into following error: ``` Collecting django-constance[database] from git+git://github.com/haiwen/django-constance.git@751f7f8b60651a2828e4a535a47fc05b907883da#egg=django-constance[database] (from -r requirements.txt (line 11)) Cloning git://github.com/haiwen/django-constance.git (to 751f7f8b60651a2828e4a535a47fc05b907883da) to /tmp/pip-build-2PSWzO/django-constance Could...