Para Goupilmtos15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:goupilmtos:devel:languages:python/Goupilmtos15.6/home:goupilmtos:devel:languages:python.repo
zypper refresh
zypper install python-django-braces
Para Goupilmtos15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:goupilmtos:devel:languages:python/Goupilmtos15.5/home:goupilmtos:devel:languages:python.repo
zypper refresh
zypper install python-django-braces