176 

   176 

   177     last_modified = models.DateTimeField(auto_now=True,

   177     last_modified = models.DateTimeField(auto_now=True,

   178                                          default=datetime.now())

   178                                          default=datetime.now())

   179 

   179 

   180 

   180 

   181 class TextBook(models.Model):

   182 class TextBook(models.Model):

   182 

   185 

   183     name = models.CharField(max_length=1024)

   186     name = models.CharField(max_length=1024)

   184 

   187 

   185     chapters = models.ManyToManyField(Task, related_name="textbooks")

   188     chapters = models.ManyToManyField(Task, related_name="textbooks")

   186 

   189