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initial version Cannot Be Found DNF Traceback Error

Hello Fedora,

I am having a problem that all began after updating to Kernel 306 (about a week ago). At first I was having issues with Gnome "Something has gone wrong". Flash forward, remove Nvidia using nvidia-uninstall, revert to nouveau driver. Everything is a go - so I reblacklist nouveau and remove the xorg-x11-nouveau package but now I get hung up on the Fedora F logo. I can alt ctrl F4, login as root and when I try to dnf install xorg-x11-nouveau. I get the below error:

Traceback (most recent call last): File "/usr/bin/dnf", line 56, in <module> from dnf.cli import main File "/usr/lib/python3.4/site-packages/dnf/", line 31, in <module> import dnf.base File "/usr/lib/python3.4/site-packages/dnf/", line 26, in <module> from dnf.comps import CompsQuery File "/usr/lib/python3.4/site-packages/dnf/", line 29, in <module> import dnf.util File "/usr/lib/python3.4/site-packages/dnf/", line 31, in <module> import librepo File "/usr/lib64/python3.4/site-packages/librepo/", line 1001, in <module> import librepo._librepo ImportError: cannot open shared object file: No such file or directory

So - I run locate libidn and find listed in /usr/var/* so it is there. I even thumbdrived the original libidn rpm and it will not install claiming the package is already there. Yum-depracated does not exist in this Fedora build, so any passing to yum only ends up back to a dnf command. Also, wget appears to need this library and reports that same "ImportError: Cannot open shared object file: No such file or directory"....

Does anybody have any advice or additional things to try. I really want to recover this build. I have 6.5TB hard disk and my environment was just getting tweaked to my likening when all this went down.