old_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  from django_extensions.db.models import TimeStampedModel
  
  
  class {{ cookiecutter.model_name }}(TimeStampedModel):
      name = models.CharField(
          verbose_name=_('name'),
          max_length=255,
          blank=True,
          null=True,
      )
  
new_contents: from __future__ import unicode_literals
  
  from django.utils.translation import ugettext_lazy as _
  from django.db import models
  
  from django_extensions.db.models import TimeStampedModel
  
  
  class {{ cookiecutter.model_name }}(TimeStampedModel):
      name = models.CharField(
          verbose_name=_('name'),
          max_length=255,
          blank=True,
          null=True,
      )
  
subject: Add missing ugettextlazy in models.py