- several statements belong to several lines
- use bools over ints
- not(foo in bar) -> foo not in bar
- (if not b: return 0; else: return 1) -> return b


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@29758 20353a03-c40f-0410-a6d1-a30d3c3de9de