old_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals
  
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  from .staff_student import StaffStudentBase
  
  
  @python_2_unicode_compatible
  class SchoolYear(models.Model):
      name = models.CharField(max_length=9)
  
      def __str__(self):
          return self.name
  
  
  class StatsBase(StaffStudentBase):
      """
      An abstract model representing stats commonly tracked across all entities
      in TEA data. Meant to be the base used by other apps for establishing
      their stats models.
  
      Example:
  
      class CampusStats(StatsBase):
          ...
  
      """
  
      class Meta:
          abstract = True
  
new_contents: # -*- coding: utf-8 -*-
  from __future__ import absolute_import, unicode_literals
  
  from django.db import models
  from django.utils.encoding import python_2_unicode_compatible
  
  from .staff_student import StaffStudentBase
  from .postsecondary_readiness import PostSecondaryReadinessBase
  
  
  @python_2_unicode_compatible
  class SchoolYear(models.Model):
      name = models.CharField(max_length=9)
  
      def __str__(self):
          return self.name
  
  
  class StatsBase(StaffStudentBase, PostSecondaryReadinessBase):
      """
      An abstract model representing stats commonly tracked across all entities
      in TEA data. Meant to be the base used by other apps for establishing
      their stats models.
  
      Example:
  
      class CampusStats(StatsBase):
          ...
  
      """
  
      class Meta:
          abstract = True
  
subject: Add postsecondary stats to the StatsBase model