Epg importerfailed to start a byte like object needed not str

When trying to download epg I get "Epg importerfailed to start a byte like object needed not str".

Epgimporter freezes.

After uninstalling cannot reinstall from feed or ipk.

Openpli,Dreambox 920

Did not install

have the same error on DB 820 too

did not install either BUT before I also could not opkg update because server was down.now everything is ok.

thanks for your effort