old_contents: #!/usr/bin/env python
  from rgbmatrix import RGBMatrix
  from random import randint
  import time
  
  rows = 16
  chains = 1
  parallel = 1
  ledMatrix = RGBMatrix(rows, chains, parallel)
  height = ledMatrix.height
  width = ledMatrix.width
  
  for x in range(width):
  	for y in range(height):
  		r = y % 8 / 7 * 255
  		g = x % 8 / 7 * 255
  		b = (x % 8 + y % 8) / 14 * 255
  		ledMatrix.SetPixel(x, y, r, g, b)
  		time.sleep(0.05)
  
  time.sleep(5)
  ledMatrix.Clear()
new_contents: #!/usr/bin/env python
  from rgbmatrix import RGBMatrix
  from random import randint
  import time
  
  rows = 16
  chains = 1
  parallel = 1
  ledMatrix = RGBMatrix(rows, chains, parallel)
  height = ledMatrix.height
  width = ledMatrix.width
  
  for x in range(width):
  	for y in range(height):
  		r = int(y % 8 / 7 * 255)
  		g = int(x % 8 / 7 * 255)
  		b = int((int(x / 8) + int(y / 8) * 4) / 7 * 255)
  		ledMatrix.SetPixel(x, y, r, g, b)
  		time.sleep(0.05)
  
  time.sleep(5)
  ledMatrix.Clear()
subject: Fix math for blue