Add ordering for category model

apps/course/migrations/0021_auto_20180206_0632.py

@@ -0,0 +1,17 @@
+# Generated by Django 2.0.2 on 2018-02-06 06:32
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('course', '0020_auto_20180202_1716'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='category',
+            options={'ordering': ['title'], 'verbose_name': 'Категория', 'verbose_name_plural': 'Категории'},
+        ),
+    ]

apps/course/models.py

@@ -86,6 +86,7 @@ class Category(models.Model):
     class Meta:
         verbose_name = 'Категория'
         verbose_name_plural = 'Категории'
+        ordering = ['title']
 
 
 class Lesson(models.Model):