Replaced force_unicode() with force_text()

- Legacy-Id: 16313

ietf/group/admin.py

@@ -9,7 +9,7 @@ from django.core.exceptions import PermissionDenied
 from django.core.management import load_command_class
 from django.http import Http404
 from django.shortcuts import render
-from django.utils.encoding import force_unicode
+from django.utils.encoding import force_text
 from django.utils.html import escape
 from django.utils.translation import ugettext as _
 
@@ -96,7 +96,7 @@ class GroupAdmin(admin.ModelAdmin):
             raise PermissionDenied
 
         if obj is None:
-            raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {'name': force_unicode(opts.verbose_name), 'key': escape(object_id)})
+            raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {'name': force_text(opts.verbose_name), 'key': escape(object_id)})
 
         return self.send_reminder(request, sdo=obj)