Merge pull request #93 from 2231puppy/fix-array-concat

Fix error when RPi Pico U2IF used with Blinka

adafruit_rgb_display/rgb.py

@@ -188,7 +188,7 @@ def image(self, img, rotation=None, x=0, y=0):
                 )
             )
         if numpy:
-            pixels = list(image_to_data(img))
+            pixels = bytes(image_to_data(img))
         else:
             # Slower but doesn't require numpy
             pixels = bytearray(imwidth * imheight * 2)