Stop migrations being sensitive to choices changes.

icekit_events/managers.py

@@ -94,7 +94,9 @@ def _sort(x):
                     # few days to avoid overflow)
                     return make_aware(datetime.max-timedelta(2))
 
-        return sorted(qs, key=_sort)
+        sorted_qs = sorted(qs, key=_sort)
+
+        return sorted_qs
 
 
 EventManager = PublishingPolymorphicManager.from_queryset(EventQueryset)

icekit_events/plugins/links/migrations/0003_auto_20170511_1909.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+from icekit.plugins.links import appsettings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('icekit_events_links', '0002_auto_20170314_1401'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='eventlink',
+            name='style',
+            field=models.CharField(choices=appsettings.RELATION_STYLE_CHOICES, max_length=255, verbose_name=b'Link style', blank=True),
+        ),
+    ]