category.py and <includeonly>

There is strange bug, see
http://cs.wikipedia.org/w/index.php?title=%C5%A0ablona:Infobox_latinka&diff=4183951&oldid=4148309

I run bot as
category.py move -from:"Infobox šablony" -to:"šablony infoboxů"

and bot changed category + removed second