Refactor the sidebar to use Django templates With this change the html for the sidebar is no longer generated by Melange, instead it's delegated to Django (which is what it does best anyway). The downside is that it is no longer possible to have arbitrary deeply nested menu's.

from django.core.management.base import NoArgsCommand

class Command(NoArgsCommand):
    help = "Validates all installed models."

    requires_model_validation = False

    def handle_noargs(self, **options):
        self.validate(display_num_errors=True)