Use site_name if the system sends a message.
Addresses comments on r2564.
Patch by: Lennard de Rijk
Reviewed by: to-be-reviewed
"""
Create a superuser from the command line. Deprecated; use manage.py
createsuperuser instead.
"""
if __name__ == "__main__":
from django.core.management import call_command
call_command("createsuperuser")