[rdiff-backup-users] File "/usr/local/bin/rdiff-backup", line 20, in ?

[j_70]

When I am attempting a test backup from Suse 9.1 Pro to WinXP, I get the 
following error:

linux:~ # rdiff-backup /home/user1/ 192.168.1.140::c:\2004
Traceback (most recent call last):
  File "/usr/local/bin/rdiff-backup", line 20, in ?
    import rdiff_backup.Main
  File "/usr/local/lib/python2.4/site-packages/rdiff_backup/Main.py", line 25, 
in ?
    import Globals, Time, SetConnections, selection, robust, rpath, \
  File "/usr/local/lib/python2.4/site-packages/rdiff_backup/SetConnections.py", 
line 30, in ?
    import Globals, connection, rpath
  File "/usr/local/lib/python2.4/site-packages/rdiff_backup/connection.py", 
line 23, in ?
    import types, os, tempfile, cPickle, shutil, traceback, pickle, \
  File "/usr/local/lib/python2.4/gzip.py", line 9, in ?
    import zlib
ImportError: No module named zlib
linux:~ #

Python seems to be running fine and I can get version information from RDIFF, 
so it is at least somewhat working. Compilation and building went fine, with no 
error. 

linux:~ # python
Python 2.4.2 (#2, Feb 10 2006, 10:39:13)
[GCC 3.3.3 (SuSE Linux)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>

linux:~ # rdiff -V
rdiff (librsync 0.9.7) [i686-pc-linux-gnu]
Copyright (C) 1997-2001 by Martin Pool, Andrew Tridgell and others.
http://rproxy.samba.org/
Capabilities: 64 bit files, bzip2

librsync comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of librsync under the terms of the GNU
Lesser General Public License.  For more information about these
matters, see the files named COPYING.
linux:~ #

Is anyone else having this problem???