Save database object before using it.

 - Legacy-Id: 12716

Author: levkowetz

ietf/utils/management/commands/create_group_wikis.py

@@ -248,7 +248,8 @@ def maybe_add_group_url(self, group, name, url):
         urls = [ u for u in group.groupurl_set.all() if name.lower() in u.name.lower() ]
         if not urls:
             self.note("  adding %s %s URL ..." % (group.acronym, name.lower()))
-            group.groupurl_set.add(GroupURL(group=group, name=name, url=url))
+            url = GroupURL.objects.create(group=group, name=name, url=url)
+            group.groupurl_set.add(url)
 
     def add_custom_pages(self, group, env):
         for template_name in settings.TRAC_WIKI_PAGES_TEMPLATES: