io.serial: Fix using list.
io.serial: Fix using list.

factor/factor,factor/factor,factor/factor,bpollack/factor,AlexIljin/factor,tgunr/factor,bpollack/factor,mrjbq7/factor,AlexIljin/factor,mrjbq7/factor,AlexIljin/factor,AlexIljin/factor,factor/factor,AlexIljin/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,tgunr/factor,bpollack/factor,bpollack/factor,mrjbq7/factor,factor/factor,bpollack/factor,AlexIljin/factor,AlexIljin/factor,factor/factor,bpollack/factor,tgunr/factor,bpollack/factor,mrjbq7/factor,tgunr/factor,mrjbq7/factor