For "BlinkStick Strip": calling pulse() with index > 0 set first LED to dark.
def first_led_black_error():
stick = blinkstick.find_first()
# all white
for i in range(8):
stick.set_color(0, index=i, name='white')
# pulses 4th LED but first LED gets black
stick.pulse(0, index=4, name='red', repeats=3)
For "BlinkStick Strip": calling
pulse()
withindex > 0
set first LED to dark.