Fixing up linting errors.

Author: sandyjmacdonald

adafruit_is31fl3731.py

@@ -490,6 +490,8 @@ class Keybow2040(Matrix):
     width = 16
     height = 3
 
+    # pylint: disable=too-many-arguments
+
     def pixelrgb(self, x, y, r, g, b, blink=None, frame=None):
         """
         Blink or brightness for x, y-pixel

examples/is31fl3731_keybow_2040_rainbow.py

@@ -22,6 +22,10 @@
 
 import adafruit_is31fl3731
 
+# pylint: disable=inconsistent-return-statements
+# pylint: disable=too-many-return-statements
+# pylint: disable=invalid-name
+
 
 def hsv_to_rgb(hue, sat, val):
     """
@@ -31,6 +35,7 @@ def hsv_to_rgb(hue, sat, val):
     :param sat: saturation; 0.0-1.0
     :param val: value; 0.0-1.0
     """
+
     if sat == 0.0:
         return (val, val, val)