Sort of works now

links/migrations/0003_auto_20150117_2306.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('links', '0002_auto_20150117_2248'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='link',
+            name='base62',
+        ),
+        migrations.AlterField(
+            model_name='link',
+            name='id',
+            field=models.CharField(max_length=12, serialize=False, primary_key=True),
+            preserve_default=True,
+        ),
+    ]