My usual command to check for updates is failing with a “Updateinfo file is not valid XML” error (see below). Is this something I can fix from my end?

root@MEMEME ~]# yum check-update
Loaded plugins: langpacks, refresh-packagekit

python-slip.noarch                                            0.6.1-1.fc20                                               updates
python-slip-dbus.noarch                                       0.6.1-1.fc20                                               updates
v8.x86_64                                                     1:3.14.5.10-18.fc20                                        updates
v8-devel.x86_64                                               1:3.14.5.10-18.fc20                                        updates
Updateinfo file is not valid XML: <open file '/var/cache/yum/x86_64/20/updates/gen/updateinfo.xml', mode 'rt' at 0x2da3150>