When trying to add a ZStylesheet instance, I get the following error: TypeError: too many arguments; expected 4, got 5 Traceback (innermost last): File .../Zope/lib/python/ZPublisher/Publish.py, line 223, in publish_module File .../Zope/lib/python/ZPublisher/Publish.py, line 187, in publish File .../Zope/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: Traversable) File .../Zope/lib/python/ZPublisher/Publish.py, line 171, in publish File .../Zope/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: manage_addZStyleSheet) File .../Zope/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: manage_addZStyleSheet) File .../Zope/Products/ZStyleSheet/ZStyleSheet.py, line 39, in manage_addZStyleSheet (Object: Traversable) TypeError: (see above)