RO/SeqUtil.py - Test for set was not compatible with 2.3   due to not trapping quite the right errors.   
RO/SeqUtil.py
- Test for set was not compatible with 2.3
  due to not trapping quite the right errors.
  


git-svn-id: a38512e6531051f4ba6aaa1c8358347ddeca2e1b@117219 b00c9580-4927-0410-8824-811d448ea4c7

r-owen/stui,r-owen/stui