Fix DotStar conversion

Author: PaintYourDragon

CLUE_Light_Painter/code.py

@@ -146,15 +146,14 @@ def dotstar_write(self, _, data):
             data (bytearray) : Pixel data in LED strip's native color order,
                                3 bytes/pixel. Also takes ulab uint8 ndarray.
         """
-        num_leds = len(data) // 3
         pixel_start = bytearray([255]) # Per-pixel marker
         data_bytes = [x for l in [pixel_start + data[i:i+3]
-                                  for i in range(num_leds)] for x in l]
+                                  for i in range(0, len(data), 3)] for x in l]
         # SPI is NOT locked or configured here -- the application performs
         # that once at startup and never relinquishes control of the port.
         # Anything to save a few cycles.
         self.spi.write(bytearray([0] * 4) + bytearray(data_bytes) +
-                       bytearray([255] * ((num_leds + 15) // 16)))
+                       bytearray([255] * (((len(data) // 3) + 15) // 16)))
 
 
     def clear_strip(self):

CLUE_Light_Painter/richbutton.py

@@ -1,10 +1,10 @@
-# pylint: disable=import-error, too-many-instance-attributes, too-few-public-methods
-
 """Glorified button class with debounced tap, double-tap, hold and release"""
 
+# pylint: disable=import-error
 from time import monotonic
 from digitalio import DigitalInOut, Direction, Pull
 
+# pylint: disable=too-many-instance-attributes, too-few-public-methods
 class RichButton:
     """
     A button class handling more than basic taps: adds debounced tap,