This still happens after running

rm -f /var/lib/rpm/__db*



 yum repolist  --verbose
Not loading "blacklist" plugin, as it is disabled
Loading "langpacks" plugin
Loading "presto" plugin
Loading "refresh-packagekit" plugin
Not loading "whiteout" plugin, as it is disabled
Adding en_GB to language list
Config time: 0.028
Yum Version: 3.2.28
Error: Cannot retrieve repository metadata (repomd.xml) for repository: fedora. Please verify its path and try again