Create migration for language priority

courses/migrations/0028_auto_20210629_1048.py

+# Generated by Django 2.2.24 on 2021-06-29 13:48
+
+import django.contrib.postgres.fields
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('courses', '0027_auto_20210514_0809'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='course',
+            name='lang',
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.CharField(blank=True, choices=[('es', 'Spanish'), ('pt-br', 'Portuguese'), ('en', 'English')], default=('es', 'Spanish'), max_length=64), blank=True, null=True, size=None),
+        ),
+    ]