GLib-CRITICAL **: the GVariant format string '(u)' has a type of '(u)' but the given value has a type of '(s)'

[ramonskie]

i get the following error

light_sensor: 6 light_avg: 6 idle_time: 0.002000 auto mode brightness: 16/200 backlight: 6/15 
current backlight: 0
-> set screen backlight: 0 -> 6

(lightum:10777): GLib-CRITICAL **: the GVariant format string '(u)' has a type of '(u)' but the given value has a type of '(s)'

(lightum:10777): GLib-CRITICAL **: g_variant_get: assertion 'valid_format_string (format_string, TRUE, value)' failed

i'm running linux mint 18 with cinnamon

[chr1sp1n]

I'm getting the same issue with Linux MInt 18.1 Cinnamon 32Bit on MacBookPro 3,1

[bmenaman]

same: nixos 4.9.46 MBP 11,3