migrate to postgres json field

announcement/migrations/0002_auto_20171011_1214.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-10-11 12:14
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('announcement', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='announcement',
+            name='title',
+            field=models.CharField(max_length=64),
+        ),
+    ]