old_contents: from django.db import models
  from django.contrib.auth.models import User
  
  
  # @python_2_unicode_compatible
  class ImagerProfile(models.Model):
      user = models.OneToOneField(
          User,
          related_name='profile',
          null=False
      )
      camera = models.CharField()
      address = models.TextField()
      website = models.URLField()
      photo_genre = models.CharField()
  
      def is_active(self):
          pass
  
      def __str__(self):
          pass
  
new_contents: from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  from django.contrib.auth.models import User
  
  
  @python_2_unicode_compatible
  class ImagerProfile(models.Model):
      user = models.OneToOneField(
          User,
          related_name='profile',
          null=False
      )
      camera = models.CharField(
          max_length=255,
          help_text='What is the make and model of your camera?'
      )
      address = models.TextField()
      website = models.URLField()
      photo_genre = models.CharField(max_length=255)
  
      def is_active(self):
          pass
  
      def __str__(self):
          pass
  
subject: extend imager profile model