class_mapper undefined in orm.query

[Former user]

class_mapper is not imported into the module orm.query. This causes the following traceback:

Traceback (most recent call last):
  File "/usr/lib/python2.4/site-packages/CherryPy-2.2.1-py2.4.egg/cherrypy/_cphttptools.py", line 103, in _run
    applyFilters('before_main')
  File "/usr/lib/python2.4/site-packages/CherryPy-2.2.1-py2.4.egg/cherrypy/filters/__init__.py", line 151, in applyFilters
    method()
  File "/home/arnarb/workdir/verkstjorinn/tg-svn/trunk-sa02/turbogears/visit/api.py", line 140, in before_main
    visit= _manager.visit_for_key( visit_key )
  File "/home/arnarb/workdir/verkstjorinn/tg-svn/trunk-sa02/turbogears/visit/savisit.py", line 31, in visit_for_key
    visit= TG_Visit.lookup_visit( visit_key )
  File "/home/arnarb/workdir/verkstjorinn/tg-svn/trunk-sa02/turbogears/visit/savisit.py", line 66, in lookup_visit
    return Query(TG_Visit).get_by( visit_key=visit_key );
  File "/usr/lib/python2.4/site-packages/SQLAlchemy-0.2.2-py2.4.egg/sqlalchemy/orm/query.py", line 15, in __init__
    self.mapper = class_mapper(class_or_mapper, entity_name=entity_name)
NameError: global name 'class_mapper' is not defined

I'm using the threadlocal mod and version 0.2.2

[Mike Bayer]

changeset:1603