old_contents: from tagging.models import Tag, TaggedItem
  from django.contrib.contenttypes.models import ContentType
  from auxiliary.models import TagSuggestion
  from django.db import IntegrityError
  
  def approve(admin, request, tag_suggestions):
      for tag_suggestion in tag_suggestions:
          object = tag_suggestion.object
          try:
              tag = Tag.objects.create(name=tag_suggestion.name)
              TaggedItem.objects.create(tag=tag, object=object)
          except IntegrityError as e:
              if str(e) != 'column name is not unique':
                  raise
          tag_suggestion.delete()
  
new_contents: from tagging.models import Tag, TaggedItem
  from django.contrib.contenttypes.models import ContentType
  
  
  def approve(admin, request, tag_suggestions):
      for tag_suggestion in tag_suggestions:
          obj = tag_suggestion.object
  
          ct = ContentType.objects.get_for_model(obj)
  
          tag, t_created = Tag.objects.get_or_create(name=tag_suggestion.name)
          ti, ti_created = TaggedItem.objects.get_or_create(
              tag=tag, object_id=obj.pk, content_type=ct)
  
          tag_suggestion.delete()
  
subject: Make tag_suggestions test less flaky