bug in package-cleanup --problems

I am happy to help debug this but I am not a pthon programmer.

root@athlon:~ # package-cleanup --problems
Setting up yum
Excluding Packages in global exclude list
Finished
Reading local RPM database
Processing all local requires
Missing dependencies:
Package metamail requires sharutils
Package xorg-x11-drivers requires xorg-x11-drv-acecad
Package xorg-x11-drivers requires xorg-x11-drv-aiptek
...
Package ckermit requires libcrypto.so.4
Package ckermit requires libssl.so.4
Traceback (most recent call last):
  File "/usr/bin/package-cleanup", line 402, in ?
    main()
  File "/usr/bin/package-cleanup", line 399, in main
    provsomething = buildProviderList(my,pkgs,opts.problems)
  File "/usr/bin/package-cleanup", line 85, in buildProviderList
    resolve_sack = my.rpmdb.whatProvides(req,rflags,ver)
  File "/usr/lib/python2.4/site-packages/yum/rpmsack.py", line 390, in whatProvides
    pkgs = self.searchProvides(name)
  File "/usr/lib/python2.4/site-packages/yum/rpmsack.py", line 141, in searchProvides
    return self.searchPrco(name, 'provides')
  File "/usr/lib/python2.4/site-packages/yum/rpmsack.py", line 123, in searchPrco
    if not result.has_key(po.pkgid):
TypeError: list objects are unhashable