enables glow layout for testing purposes; lint fixes

sdcard/keys.lua

@@ -4,3 +4,4 @@ require "layouts/media-player" -- indispensable media player controls.
 require "layouts/vsc-golang" -- debugging Go programs in VisualStudio Code.
 require "layouts/kdenlive" -- editing video using Kdenlive.
 require "layouts/empty" -- empty, do-nothing layout.
+require "layouts/glow" -- glowing key (uses timer).

sdcard/layouts/glow.lua

@@ -59,7 +59,7 @@ end
 
 function glow.led()
     t = t + every
-    brightness = 0.5 * (1 - math.cos(t/1000*math.pi))
+    local brightness = 0.5 * (1 - math.cos(t/1000*math.pi))
     mb.led(0, {r=brightness, g=brightness, b=brightness})
 end
 

spec/layouts/glow_spec.lua

@@ -21,11 +21,11 @@ SOFTWARE.
 ]]--
 
 require "mocked-keybow"
+local mb = require("snippets/multibow")
 local tt = require("spec/snippets/ticktock")
 
 describe("template multibow keymap", function()
 
-    local mb = require("snippets/multibow")
     local glow
 
     before_each(function()

spec/snippets/ticktock.lua

@@ -21,6 +21,7 @@ SOFTWARE.
 ]]--
 
 local tt = {} -- module
+local mb = require("snippets/multibow")
 
 function tt.ticktock(ms)
     local delta = 10