old_contents: from django.db import models
  
  from content.models import ModelBase
  #from ckeditor.fields import RichTextField
  
  
  class Post(ModelBase):
      #content = RichTextField()
  
      class Meta():
          verbose_name = 'Post'
          verbose_name_plural = 'Posts'
  
new_contents: from django.db import models
  
  from content.models import ModelBase
  from ckeditor.fields import RichTextField
  
  class Post(ModelBase):
      content = RichTextField()
  
      class Meta():
          verbose_name = 'Post'
          verbose_name_plural = 'Posts'
  
subject: enable content field