Howto revert back to earlier version of rpm, as apt is broken with latest

[Nigel Henry]

Updates to rpm, rpm-libs, and rpm-python on F10 have broken apt.

How can I revert back to the earlier version of rpm? I have the earlier rpm 
packages available in /var/cache/yum/updates/packages.

The current installed version of rpm (apt broken) is rpm-4.6.0-1.fc10.i386

The earlier version of rpm where apt was working ok is, 
rpm-4.6.0-0.rc3.1.fc10.i386.rpm

I tried installing the earlier version using rpm -Uvh --oldpackage 
<package-name>, and that was referring to the rpm package, but there were 
problems as rpm-libs, and rpm-python were at the latest version (dependency 
issues).

Somehow, it seems that I need to revert all 3 rpm packages to the earlier 
version at the same time, but I don't know how to do that.

Any suggestions would be welcome.

Nigel.