old_contents: 
  from haystack import indexes
  from haystack import site
  from vcms.simpleblogs.models import BlogPost
  
  
  class NewsBlogsIndex(indexes.SearchIndex):
      text = indexes.CharField(document=True, use_template=True, model_attr='content')
      name = indexes.CharField(model_attr='title')
      description = indexes.CharField(model_attr='description')
      keywords = indexes.CharField(model_attr='preview')
      pub_date = DateTimeField(model_attr='date_published')
  
  site.register(BlogPost, NewsBlogsIndex)
  
new_contents: 
  from haystack import indexes
  from haystack import site
  from vcms.simpleblogs.models import BlogPost
  
  
  class NewsBlogsIndex(indexes.SearchIndex):
      text = indexes.CharField(document=True, use_template=True, model_attr='content')
      name = indexes.CharField(model_attr='title')
      description = indexes.CharField(model_attr='description')
      keywords = indexes.CharField(model_attr='preview')
      pub_date = indexes.DateTimeField(model_attr='date_published')
  
  site.register(BlogPost, NewsBlogsIndex)
  
subject: update namespace prefix bug in search for simpleblogs