Fixing up travis errors

Author: DavePutz

adafruit_imageload/bmp/indexed.py

@@ -47,10 +47,9 @@ def load(file, width, height, data_start, colors, color_depth, *, bitmap=None, p
 
         file.seek(data_start - colors * 4)
         for value in range(colors):
-            c = file.read(4)
+            c_bytes = file.read(4)
             # Need to swap red & green bytes (bytes 0 and 2)
-            d = bytes(b''.join([c[2:3],c[1:2],c[0:1],c[3:1]]))
-            palette[value] = d
+            palette[value] = bytes(b''.join([c_bytes[2:3], c_bytes[1:2], c_bytes[0:1], c_bytes[3:1]]))
 
     if bitmap:
         minimum_color_depth = 1

examples/imageload_colorwheel.py

@@ -4,12 +4,13 @@
 
 display = board.DISPLAY
 
-bitmap, palette = adafruit_imageload.load("images/color_wheel.bmp", bitmap=displayio.Bitmap, palette=displayio.Palette)
+bitmap, palette = adafruit_imageload.load("images/color_wheel.bmp",
+        bitmap=displayio.Bitmap, palette=displayio.Palette)
 
 tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
 
 group = displayio.Group()
 group.append(tile_grid)
 display.show(group)
 while True:
-	pass
+        pass