Turbogears projects show no lines executed in controllers.py
Create an empty tg project, run the tests. controllers.py shows as not executed, though adding an assertion there proves that it is. Details in http://lists.idyll.org/pipermail/testing-in-python/2009-July/002077.html
Looks like DecoratorTools does some really funny stuff with the trace function and fumbles the coverage trace function in the process.