Fixed #15112 -- Ensure that IPv6 addresses are correctly displayed in the admin. Thanks to oxy for the report, and Łukasz Rekucki for the test case.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@15343 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/runserver.py

@@ -63,6 +63,7 @@ class BaseRunserverCommand(BaseCommand):
                     raise CommandError('"%s" is not a valid IPv6 address.' % self.addr)
         if not self.addr:
             self.addr = self.use_ipv6 and '::1' or '127.0.0.1'
+            self._raw_ipv6 = bool(self.use_ipv6)
         self.run(*args, **options)
 
     def run(self, *args, **options):