old_contents: from django.db import models
  
  
  class Organizer(models.Model):
      full_name = models.CharField(max_length=200)
      email = models.EmailField(
          default='', blank=True,
          help_text="This is private")
      twitter = models.CharField(max_length=255, blank=True)
      github = models.CharField(max_length=255, blank=True)
      photo = models.ImageField(upload_to='team/pyconcz2016/')
  
      published = models.BooleanField(default=False)
  
new_contents: from django.db import models
  
  
  class Organizer(models.Model):
      full_name = models.CharField(max_length=200)
      email = models.EmailField(
          default='', blank=True,
          help_text="This is private")
      twitter = models.CharField(max_length=255, blank=True)
      github = models.CharField(max_length=255, blank=True)
      photo = models.ImageField(upload_to='team/pyconcz2016/')
  
      published = models.BooleanField(default=False)
  
      def __str__(self):
          return self.full_name
  
subject: Revert "Revert "Add string representation of organizer object""