minor: no need to override function arg with local
minor: no need to override function arg with local

lgeek/koreader,Frenzie/koreader,mwoz123/koreader,poire-z/koreader,NiLuJe/koreader,frankyifei/koreader,Markismus/koreader,pazos/koreader,koreader/koreader,koreader/koreader,mihailim/koreader,robert00s/koreader,NiLuJe/koreader,Hzj-jie/koreader,chihyang/koreader,Frenzie/koreader,poire-z/koreader,houqp/koreader,apletnev/koreader,NickSavage/koreader