old_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals, division
  from django.core.urlresolvers import reverse
  from django.db.models import Model, DateTimeField
  from django.utils.html import escape
  from django_zilla.utils.datetime_utils import get_utc_now
  
  
  class TimedatedModel(Model):
      timestamp_created = DateTimeField(auto_now_add=True, null=True, db_index=True, editable=False)
      timestamp_modified = DateTimeField(auto_now=True, null=True, db_index=True, editable=False)
  
      class Meta:
          abstract = True
  
  
  class LinkableFieldModel(Model):
      def get_change_url(self):
          try:
              return reverse(
                  "admin:%s_%s_change" % (self._meta.app_label, self._meta.object_name.lower()), args=(self.pk,))
          except Exception as e:
              return unicode(e)
  
      def get_change_href(self):
          return '<strong><a href="%s">%s</a></strong>' % (self.get_change_url(), escape(self))
      get_change_href.allow_tags = True
      get_change_href.short_description = 'Link'
  
      class Meta:
          abstract = True
new_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals, division
  from django.core.urlresolvers import reverse
  from django.db.models import Model, DateTimeField
  from django.utils.html import escape
  from bishop.datetime_utils import get_utc_now
  
  
  class TimedatedModel(Model):
      timestamp_created = DateTimeField(auto_now_add=True, null=True, db_index=True, editable=False)
      timestamp_modified = DateTimeField(auto_now=True, null=True, db_index=True, editable=False)
  
      class Meta:
          abstract = True
  
  
  class LinkableFieldModel(Model):
      def get_change_url(self):
          try:
              return reverse(
                  "admin:%s_%s_change" % (self._meta.app_label, self._meta.object_name.lower()), args=(self.pk,))
          except Exception as e:
              return unicode(e)
  
      def get_change_href(self):
          return '<strong><a href="%s">%s</a></strong>' % (self.get_change_url(), escape(self))
      get_change_href.allow_tags = True
      get_change_href.short_description = 'Link'
  
      class Meta:
          abstract = True
  
subject: Fix typo in import