Hotfix: ordering of submissions is now always based on type name

core/migrations/0015_auto_20170713_1220.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.7 on 2017-07-13 12:20
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0014_auto_20170712_1704'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='submission',
+            options={'ordering': ('type__name',), 'verbose_name': 'Submission', 'verbose_name_plural': 'Submission Set'},
+        ),
+    ]

core/models.py

@@ -225,6 +225,7 @@ class Submission(models.Model):
         verbose_name        = "Submission"
         verbose_name_plural = "Submission Set"
         unique_together     = (('type', 'student'),)
+        ordering            = ('type__name',)
 
     def __str__(self):
         return "Submission of type '{}' from Student '{}'".format(