[Zope] Zope import error

Hi, I am trying to run the zope tests for APE, present in apelib/tests/ . I get the following error:- ERROR: test_btreefolder2 (__main__.PsycopgTests) ---------------------------------------------------------------------- Traceback (most recent call last): File "/var/opt/zope/default/Products/Ape/lib/apelib/tests/zope2testbase.py", line 728, in test_btreefolder2 from Products.BTreeFolder2.BTreeFolder2 import BTreeFolder2 ImportError: No module named BTreeFolder2.BTreeFolder2 Please help on how PYTHONPATH needs to be set for this. Regards, Subu _________________________________________________________________ Get Citibank Home Loan ! http://go.msnserver.com/IN/52043.asp At an unbelievably low interest rate.