Updated to Django Oscar 1.4

ECOM-7095

ecommerce/extensions/offer/migrations/0011_auto_20170215_2324.py

+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.12 on 2017-02-16 04:24
+from __future__ import unicode_literals
+
+from django.db import migrations
+import oscar.models.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('offer', '0010_auto_20170215_2224'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='condition',
+            name='proxy_class',
+            field=oscar.models.fields.NullCharField(default=None, max_length=255, verbose_name='Custom class'),
+        ),
+    ]

requirements/base.txt

@@ -5,7 +5,7 @@ django-crispy-forms==1.6.1
 django_extensions==1.5.5
 django-filter==1.0.1
 django-libsass==0.5
-django-oscar==1.3
+django-oscar==1.4
 django-rest-swagger[reST]==0.3.10
 django-simple-history==1.8.2
 django-solo==1.1.2