CircuitPython-provided modules should be considered stdlib-equiv by isort terms. Apply this new rule.

kmk/led.py

@@ -1,7 +1,6 @@
+import pulseio
 import time
 from math import e, exp, pi, sin
-
-import pulseio
 from micropython import const
 
 led_config = {

kmk/rgb.py

@@ -1,6 +1,5 @@
 import time
 from math import e, exp, pi, sin
-
 from micropython import const
 
 rgb_config = {