the Cascadenik install

[gisupc]

which min version dose the python need ? i use centos5.5 and python2.4 ,but i get error like:

File "setup.py", line 14, in ? from cascadenik import version as VERSION File "/opt/Cascadenik/cascadenik/init.py", line 29 from .parse import stylesheet_declarations ^ SyntaxError: invalid syntax

[root@localhost Cascadenik]# python setup.py install Traceback (most recent call last): File "setup.py", line 14, in ? from cascadenik import version as VERSION File "/opt/Cascadenik/cascadenik/init.py", line 31, in ? import parse,stylesheet_declarations File "/opt/Cascadenik/cascadenik/parse.py", line 4, in ? from itertools import chain, product ImportError: cannot import name product [