old_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  # Create your models here.
  
  
  class Category(BaseNameModel):
      """(Category description)"""
  
      class Meta:
          verbose_name = _('category')
  
      def __unicode__(self):
          return self.name
  
  
  class Topic(BaseNameModel):
      """(Topic description)"""
  
      class Meta:
          verbose_name = _('topic')
  
      def __unicode__(self):
          return self.name
  
new_contents: from __future__ import unicode_literals
  
  from django.db import models
  
  
  class Category(BaseNameModel):
      """(Category description)"""
  
      class Meta:
          verbose_name = _('category')
  
      def __unicode__(self):
          return self.name
  
  
  class Topic(BaseNameModel):
      """(Topic description)"""
  
      class Meta:
          verbose_name = _('topic')
  
      def __unicode__(self):
          return self.name
  
subject: make /var/lib/mysql a non local volume in dev mode (for OSX)