[extensions-web] python3: update migrations

[Yuri Konotopov <ykonotopov src gnome org>]

commit 67cb63bcb776b1a89d8e96a7b90c02724ef5b0b6
Author: Yuri Konotopov <ykonotopov gnome org>
Date:   Sat Jan 12 18:45:22 2019 +0400

    python3: update migrations

 .../migrations/0005_auto_20190112_1733.py          | 27 ++++++++++++++++++++++
 1 file changed, 27 insertions(+)
---
diff --git a/sweettooth/extensions/migrations/0005_auto_20190112_1733.py 
b/sweettooth/extensions/migrations/0005_auto_20190112_1733.py
new file mode 100644
index 0000000..3729878
--- /dev/null
+++ b/sweettooth/extensions/migrations/0005_auto_20190112_1733.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.18 on 2019-01-12 17:33
+from __future__ import unicode_literals
+
+import autoslug.fields
+from django.db import migrations, models
+import sweettooth.extensions.models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('extensions', '0004_auto_20181216_2102'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='extension',
+            name='icon',
+            field=models.ImageField(blank=True, default='', 
upload_to=sweettooth.extensions.models.make_icon_filename),
+        ),
+        migrations.AlterField(
+            model_name='extension',
+            name='slug',
+            field=autoslug.fields.AutoSlugField(editable=False, populate_from='name'),
+        ),
+    ]