changing namespace and urls

project_directory/common/models.py

@@ -1,24 +0,0 @@
-from django.db import models
-
-
-class CommonInfo(models.Model):
-    name = models.CharField(max_length=100)
-    active = models.BooleanField(default=True)
-
-    def __unicode__(self):
-        return self.name
-
-    class Meta:
-        abstract = True
-
-
-class Category(CommonInfo):
-    parent = models.ForeignKey('self', blank=True, null=True,
-                               on_delete=models.SET_NULL,
-                               related_name='children')
-
-
-class Sample(CommonInfo):
-    model_filename = models.CharField(max_length=1000)
-    parent = models.ForeignKey(Category, blank=True, null=True,
-                               on_delete=models.SET_NULL)