fix template_name in migrations

Author: stuartaccent

wagtailstreamforms/migrations/0012_fix_migrations.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.9 on 2018-01-30 13:44
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import wagtailstreamforms.conf
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wagtailstreamforms', '0011_auto_20180130_0844'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='baseform',
+            name='template_name',
+            field=models.CharField(choices=wagtailstreamforms.conf.get_setting('FORM_TEMPLATES'), max_length=255, verbose_name='Template'),
+        ),
+    ]