--- /dev/null
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+def null_to_blank(apps, schema_editor):
+ Chunk = apps.get_model("chunks", "Chunk")
+ Chunk.objects.filter(content=None).update(content='')
+ Chunk.objects.filter(description=None).update(description='')
+
+
+class Migration(migrations.Migration):
+
+ dependencies = [
+ ('chunks', '0001_initial'),
+ ]
+
+ operations = [
+ migrations.RunPython(null_to_blank),
+ migrations.AlterField(
+ model_name='chunk',
+ name='content',
+ field=models.TextField(verbose_name='content', blank=True),
+ ),
+ migrations.AlterField(
+ model_name='chunk',
+ name='description',
+ field=models.CharField(max_length=255, verbose_name='Description', blank=True),
+ ),
+ ]