Fix some front bug

media/migrations/0021_auto_20190811_1047.py

@@ -0,0 +1,18 @@
+# Generated by Django 2.2.4 on 2019-08-11 08:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('media', '0020_auto_20190811_1047'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='media',
+            name='side_identifier',
+            field=models.CharField(max_length=255, verbose_name='side identifier'),
+        ),
+    ]