@@ -0,0 +1,277 @@
+from django.db import models%0Afrom django.utils.translation import ugettext_lazy as _%0A%0A%0Aclass Category(models.Model):%0A    name = models.CharField(_(%22Name%22), max_length=255)%0A    parent_category = models.ForeignKey('self', blank=True, null=True, related_name=%22child_categories%22)%0A%0A

add class Category