old_contents: from django.db import models
  from django.contrib.auth.models import User
  from thumbs import ImageWithThumbsField
  from apps.projects.models import Project
  
  
  class News(models.Model):
      title = models.CharField(max_length=200)
      summary = models.CharField(max_length=200, null=True, blank=True)
      body = models.TextField()
      image = ImageWithThumbsField(null=True, blank=True, upload_to='images/news', sizes=((300, 300), (90, 90), ))
      author = models.ForeignKey(User)
      datetime = models.DateTimeField()
      projects_relateds = models.ManyToManyField(Project, null=True, blank=True)
  
      class Meta:
          verbose_name_plural = 'News'
  
      def __unicode__(self):
          return self.title
  
new_contents: from datetime import datetime as dt
  from django.db import models
  from django.contrib.auth.models import User
  from thumbs import ImageWithThumbsField
  from apps.projects.models import Project
  
  
  class News(models.Model):
      
      class Meta:
          ordering = ('-date_and_time',)
      
      title = models.CharField(max_length=200)
      summary = models.CharField(max_length=200, null=True, blank=True)
      body = models.TextField()
      image = ImageWithThumbsField(null=True, blank=True, upload_to='images/news', sizes=((300, 300), (90, 90), ))
      author = models.ForeignKey(User)
      date_and_time = models.DateTimeField(default=dt.now())
      projects_relateds = models.ManyToManyField(Project, null=True, blank=True)
  
      class Meta:
          verbose_name_plural = 'News'
  
      def __unicode__(self):
          return self.title
  
subject: Change field name from datetime to date_and_time for avoid problems with datetime python's module