consistent handling of grant/revoke of permissions widgets - use 1 method for users and for users groups - use common JS for ajax revoke - cleanup code
"""Various utilities to work with Python < 2.7.Those utilities may be deleted once ``vcs`` stops support for older Pythonversions."""importsysifsys.version_info>=(2,7):unittest=__import__('unittest')else:unittest=__import__('unittest2')