Fix unused loop variable
@@ -108,7 +108,7 @@ def beep(count, duration, interstitial, freq):
:param int freq: the frequency of the beeps
"""
pwm = pulseio.PWMOut(board.D12, duty_cycle = 0, frequency=freq)
- for i in range(count):
+ for _ in range(count):
pwm.duty_cycle = 0x7FFF
time.sleep(duration)
pwm.duty_cycle = 0
