def unicode_test(seg_instance, seg_str):
            seg_gen_str = str(seg_instance)

            self.assertEqual(len(seg_gen_str), 240)
            self.assertEqual(len(seg_str), 240)
            self.assertEqual(seg_gen_str, seg_str)
def playcolors():
  while 1:
    global clearcolor
    clearcolor = [np.random.random(),0,0,0]
    time.sleep(0.1)
    refresh()