[Zope] Client.py

hi all has anybody successfully used Client.py that ships with Zope-2.2.0? i can't seem to run it. even on the command line. i've searched the mailing list, but to no avail this is what i did: python Client.py http://www.zope.org and here's the traceback. Traceback (innermost last): File "Client.py", line 639, in ? main() File "Client.py", line 632, in main headers, body = apply(f,(),kw) File "Client.py", line 221, in __call__ raise NotAvailable, RemoteException( bci.NotAvailable: argument 1: expected read-only character buffer, tuple found (File: http://www.zope.org Line: []) None None for None what did i do wrong? can i use Client.py from Zope-2.1.x? tia