Merge remote-tracking branch 'upstream/master' into hold-tap

kmk/modules/layers.py

@@ -1,5 +1,6 @@
 '''One layer isn't enough. Adds keys to get to more of them'''
 from micropython import const
+from supervisor import ticks_ms
 
 from kmk.key_validators import layer_key_validator
 from kmk.keys import make_argumented_key