old_contents: from django.core.exceptions import AppRegistryNotReady
  from django.core.urlresolvers import reverse_lazy
  from django.conf import settings
  from django.db import models
  from django.db.models.signals import post_save, pre_save
  from django.utils.translation import ugettext as _
  
  
  class Profile(models.Model):
      about_me = models.TextField(
          _('About me'), max_length=500, null=True, blank=True)
      github = models.CharField(
          _('Github username'), max_length=50, null=True, blank=True)
      facebook = models.CharField(
          _('Facebook username'), max_length=50, null=True, blank=True)
      site = models.URLField(
          _('Site url'), max_length=200, null=True, blank=True)
  
      # relations
      user = models.OneToOneField(to=settings.AUTH_USER_MODEL)
  
      class Meta:
          verbose_name = _('Profile')
  
      def __unicode__(self):
          return self.user.get_full_name()
  
      def get_absolute_url(self):
          return reverse_lazy(
              'user_profile', kwargs={'user__username': self.user.username})
  
      def get_github_url(self):
          if self.github:
              return 'http://github.com/{}'.format(self.github)
  
      def get_facebook_url(self):
          if self.facebook:
              return 'http://facebook.com/{}'.format(self.facebook)
  
      def get_site_url(self):
          return self.site
  
  
  def create_user_profile(sender, instance, created, **kwargs):
      if created:
          Profile.objects.create(user=instance)
  
  
  def slugify_user_username(sender, instance, **kwargs):
      instance.username = instance.username.replace(' ', '_')
  
  
  try:
      from django.contrib.auth import get_user_model
      User = get_user_model()
  except AppRegistryNotReady:
      from django.contrib.auth.models import User
  
  post_save.connect(create_user_profile, sender=User)
  pre_save.connect(slugify_user_username, sender=User)
  
new_contents: from django.core.exceptions import AppRegistryNotReady
  from django.core.urlresolvers import reverse_lazy
  from django.conf import settings
  from django.db import models
  from django.db.models.signals import post_save, pre_save
  from django.utils.translation import ugettext as _
  
  
  class Profile(models.Model):
      about_me = models.TextField(
          _('About me'), max_length=500, null=True, blank=True)
      github = models.CharField(
          _('Github username'), max_length=50, null=True, blank=True)
      facebook = models.CharField(
          _('Facebook username'), max_length=50, null=True, blank=True)
      site = models.URLField(
          _('Site url'), max_length=200, null=True, blank=True)
      image = models.ImageField(null=True, blank=True)
  
      # relations
      user = models.OneToOneField(to=settings.AUTH_USER_MODEL)
  
      class Meta:
          verbose_name = _('Profile')
  
      def __unicode__(self):
          return self.user.get_full_name()
  
      def get_absolute_url(self):
          return reverse_lazy(
              'user_profile', kwargs={'user__username': self.user.username})
  
      def get_github_url(self):
          if self.github:
              return 'http://github.com/{}'.format(self.github)
  
      def get_facebook_url(self):
          if self.facebook:
              return 'http://facebook.com/{}'.format(self.facebook)
  
      def get_site_url(self):
          return self.site
  
  
  def create_user_profile(sender, instance, created, **kwargs):
      if created:
          Profile.objects.create(user=instance)
  
  
  def slugify_user_username(sender, instance, **kwargs):
      instance.username = instance.username.replace(' ', '_')
  
  
  try:
      from django.contrib.auth import get_user_model
      User = get_user_model()
  except AppRegistryNotReady:
      from django.contrib.auth.models import User
  
  post_save.connect(create_user_profile, sender=User)
  pre_save.connect(slugify_user_username, sender=User)
  
subject: Add the image field to the profile model