I've seen the following tests fail today, after updating Zope 2.8 branch for all variants of BTrees: ====================================================================== ERROR: testUpdateFromPersistentMapping (BTrees.tests.testBTrees.IIBucketTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/lib/python2.4/unittest.py", line 260, in run testMethod() File "/home/sidnei/src/zope/2.8/lib/python/BTrees/tests/testBTrees.py", line 353, in testUpdateFromPersistentMapping self.t.update(pm) TypeError: Sequence must contain 2-item tuples This is on a Powerbook running Ubuntu Breezy PPC. Python 2.4.2 (#2, Nov 20 2005, 17:20:59) [GCC 4.0.3 20051023 (prerelease) (Ubuntu 4.0.2-3ubuntu1)] on linux2 Type "help", "copyright", "credits" or "license" for more information. Additionally, while running the tests for Zope 2.8, 2.9 and trunk (all at the same time *wink*), the following tests failed. I suspect the failures have to do with heavy load on the box while running the tests? Zope 2.8: ====================================================================== FAIL: testPathologicalLeftBranching (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) ---------------------------------------------------------------------- ====================================================================== FAIL: testPathologicalRightBranching (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) ---------------------------------------------------------------------- Zope 2.9: Error in test testPathologicalLeftBranching (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) Failure in test testPathologicalRightBranching (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) Failure in test testRandomNonOverlappingInserts (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) Zope trunk: Failure in test testPathologicalLeftBranching (Products.Transience.tests.testTransientObjectContainer.TestTransientObjectContainer) -- Sidnei da Silva Enfold Systems, LLC. http://enfoldsystems.com