i unpacked roundup 0.5.1 and run 'python ./run_tests' in 
the source code directory, giving following error 
message:

packing up templates in roundup/templates/classic
packing up templates in roundup/templates/minimal
......................F.........................................................
...
=========================================
=============================
FAIL: test_basics (test.test_locking.LockingTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "./test/test_locking.py", line 39, in test_basics
    raise AssertionError, 'no exception'
AssertionError: no exception

----------------------------------------------------------------------
Ran 83 tests in 49.982s

FAILED (failures=1)

anyone has anyidea?