Fix gallery modela

apps/content/migrations/0013_auto_20180212_0537.py

@@ -0,0 +1,40 @@
+# Generated by Django 2.0.2 on 2018-02-12 05:37
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('content', '0012_auto_20180209_1847'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='gallery',
+            options={'base_manager_name': 'objects'},
+        ),
+        migrations.RemoveField(
+            model_name='gallery',
+            name='created_at',
+        ),
+        migrations.RemoveField(
+            model_name='gallery',
+            name='id',
+        ),
+        migrations.RemoveField(
+            model_name='gallery',
+            name='title',
+        ),
+        migrations.RemoveField(
+            model_name='gallery',
+            name='update_at',
+        ),
+        migrations.AddField(
+            model_name='gallery',
+            name='content_ptr',
+            field=models.OneToOneField(auto_created=True, default=1, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='content.Content'),
+            preserve_default=False,
+        ),
+    ]

apps/content/models.py

@@ -66,16 +66,8 @@ class Video(Content):
     url = models.URLField('Ссылка')
 
 
-class Gallery(models.Model):
-    title = models.CharField('Заголовок', max_length=100, default='')
-
-    created_at = models.DateTimeField(auto_now_add=True)
-    update_at = models.DateTimeField(auto_now=True)
-
-    class Meta:
-        verbose_name = 'Галерея'
-        verbose_name_plural = 'Галереи'
-        ordering = ('-created_at',)
+class Gallery(Content):
+    pass
 
 
 class GalleryImage(models.Model):