Clean up try-except clauses More try-except-else goodness (with the stress on else). Bug fix: compat.py now creates zip_longest in Python 2.5 instead of raising an exception.

import sys
if sys.version_info[0] >= 3:
	from zipfile31 import *
elif sys.version_info[1] >= 7:
	from zipfile27 import *
else:
	from zipfile26 import *