Replaced __unicode__ with __str__ for models

logs/models.py

@@ -1,11 +1,12 @@
 from django.db.models import Model, CharField, DateTimeField
 from django.utils.translation import ugettext_lazy as _
 
+
 class Logs(Model):
     user = CharField(_('user'), max_length=50)
     instance = CharField(_('instance'), max_length=50)
     message = CharField(_('message'), max_length=255)
     date = DateTimeField(_('date'), auto_now=True)
 
-    def __unicode__(self):
+    def __str__(self):
         return self.instance