Exception raised on usage_for_model

[Lacrymology]

In [20]: Tag.objects.usage_for_model(Stream)
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
/home/lacrymology/workspace/django/groupsolo/radiopirate/<ipython-input-20-72f5e29df210> in <module>()
----> 1 Tag.objects.usage_for_model(Stream)

    /home/lacrymology/workspace/django/groupsolo/radiopirate/src/django-tagging/tagging/models.pyc in     usage_for_model(self, model, counts, min_count, filters)
    156         for f in filters.items():
    157             queryset.query.add_filter(f)
--> 158         usage = self.usage_for_queryset(queryset, counts, min_count)
    159 
    160         return usage

    /home/lacrymology/workspace/django/groupsolo/radiopirate/src/django-tagging/tagging/models.pyc in     usage_for_queryset(self, queryset, counts, min_count)
    174         """
    175 
--> 176         extra_joins = ' '.join(queryset.query.get_from_clause()[0][1:])
    177         where, params = queryset.query.where.as_sql()
    178         if where:

AttributeError: 'Query' object has no attribute 'get_from_clause'

[gora]

Take a look at the discussion on the same bug, which includes
a patch that seems to work for me with django-tagging-ng also:
http://code.google.com/p/django-tagging/issues/detail?id=233