Install django from tars instead of zips
Install django from tars instead of zips

To workaround https://github.com/pypa/pip/pull/1473

gavinwahl/django-u2f,moreati/django-u2f,moreati/django-u2f,gavinwahl/django-u2f,moreati/django-u2f,gavinwahl/django-u2f,moreati/django-u2f,gavinwahl/django-u2f