Fixed Travis Errors

Author: Melissa LeBlanc-Williams

adafruit_featherwing/dotstar_featherwing.py

@@ -34,10 +34,6 @@
 import board
 import adafruit_dotstar as dotstar
 
-# Library Function Ideas
-# Gradient (probably just for example)
-#                   20                  40                  60                  80                  100
-
 class DotStarFeatherWing:
     """Class representing a `DotStar FeatherWing
        <https://www.adafruit.com/product/3449>`_.
@@ -163,35 +159,35 @@ def shift_right(self, rotate=False):
         for y in range(0, self.rows):
             for x in range(self.columns - 1, 0, -1):
                 self._dotstar[y * self.columns + x] = self._dotstar[y * self.columns + x - 1]
-            lastPixel = self._dotstar[(y + 1) * self.columns - 1] if rotate else 0
-            self._dotstar[y * self.columns] = lastPixel
+            last_pixel = self._dotstar[(y + 1) * self.columns - 1] if rotate else 0
+            self._dotstar[y * self.columns] = last_pixel
         self._update()
 
     def shift_left(self, rotate=False):
         """Shift all pixels left"""
         for y in range(0, self.rows):
             for x in range(0, self.columns - 1):
                 self._dotstar[y * self.columns + x] = self._dotstar[y * self.columns + x + 1]
-            lastPixel = self._dotstar[y * self.columns] if rotate else 0
-            self._dotstar[(y + 1) * self.columns - 1] = lastPixel
+            last_pixel = self._dotstar[y * self.columns] if rotate else 0
+            self._dotstar[(y + 1) * self.columns - 1] = last_pixel
         self._update()
 
     def shift_up(self, rotate=False):
         """Shift all pixels up"""
         for x in range(0, self.columns):
             for y in range(self.rows - 1, 0, -1):
                 self._dotstar[y * self.columns + x] = self._dotstar[(y - 1) * self.columns + x]
-            lastPixel = self._dotstar[(self.rows - 1) * self.columns + x] if rotate else 0
-            self._dotstar[x] = lastPixel
+            last_pixel = self._dotstar[(self.rows - 1) * self.columns + x] if rotate else 0
+            self._dotstar[x] = last_pixel
         self._update()
 
     def shift_down(self, rotate=False):
         """Shift all pixels down"""
         for x in range(0, self.columns):
             for y in range(0, self.rows - 1):
                 self._dotstar[y * self.columns + x] = self._dotstar[(y + 1) * self.columns + x]
-            lastPixel = self._dotstar[x] if rotate else 0
-            self._dotstar[(self.rows - 1) * self.columns + x] = lastPixel
+            last_pixel = self._dotstar[x] if rotate else 0
+            self._dotstar[(self.rows - 1) * self.columns + x] = last_pixel
         self._update()
 
     def _update(self):

examples/featherwing_dotstar_palettetest.py

@@ -3,7 +3,7 @@
 rotates through the palette creating a moving rainbow.
 """
 
-from math import sqrt,cos,sin,radians
+from math import sqrt, cos, sin, radians
 from adafruit_featherwing import dotstar_featherwing
 
 dotstar = dotstar_featherwing.DotStarFeatherWing()

examples/featherwing_dotstar_simpletest.py

@@ -5,7 +5,6 @@
 
 from time import sleep
 import random
-from math import sqrt,cos,sin,radians
 from adafruit_featherwing import dotstar_featherwing
 
 dotstar = dotstar_featherwing.DotStarFeatherWing()