bug in cwm on Mac os X?

Sean Palmer suggested I send this in as a bug - I was trying to build
the calendar schema using cwm on mac os 10.2, and I ran into a problem:

[dhcp64-134-139-69:2002/12/cal] libby% make
Makefile:53: warning: overriding commands for target `test/cal01.rdf'
Makefile:44: warning: ignoring old commands for target `test/cal01.rdf'
python ../../../../2000/10/swap/cwm.py ical.n3 --rdf >ical.rdf
Traceback (most recent call last):
  File "../../../../2000/10/swap/cwm.py", line 35, in ?
    from why import FormulaReason
  File "../../../../2000/10/swap/why.py", line 25, in ?
    from thing   import Namespace
  File "../../../../2000/10/swap/thing.py", line 130, in ?
    raise RuntimeError("Sorry, this software requires python2.2 or
newer.")
RuntimeError: Sorry, this software requires python2.2 or newer.

but.....

Python 2.2 (#1, 07/14/02, 23:25:09)
[GCC Apple cpp-precomp 6.14] on darwin

sbp said:

19:28:57  <sbp`> it should use sys.version_info[:3]
19:29:29  <sbp`> and the string module is deprecated (use the split
method of strings)
19:29:49  * libby afraid she dont know nuffink about all this....
19:29:57  <sbp`> libby: gonna fire of an email to www-archive+n3bugs?
19:30:11  <libby> if that's the best thing to do, sure....
19:31:08  <libby> cheers sbp
19:31:15  <sbp`> CCing TimBL/DanC I think, else they don't pick it up

cheers

Libby