[CentOS] loosing applications

>
> >> Yum auto update is not working too but I can update with command lin yum
> >> update
> >>
>        import libuser
> ImportError: no module name libuser
>
> Hi. Both the issue and the message are similar to some errors I receive if
I forget to change to CentOS default Python before using yum & Co. You
probably already checked for this but anyway: Do you have more than one
Python intallation, or did you compile Python from source, or used a
package that installed a Non-CentOS-default Python version?
Regards,
Jesus