Linting fixes

Author: ZodiusInfuser

examples/motors/motor_song.py

@@ -1,5 +1,5 @@
 import time
-from inventorhatmini import InventorHATMini, MOTOR_A, MOTOR_B, SERVO_2, SERVO_3
+from inventorhatmini import InventorHATMini, MOTOR_A, MOTOR_B
 from ioexpander.motor import SLOW_DECAY  # , FAST_DECAY
 
 """
@@ -153,7 +153,7 @@ def sleep_until(end_time):
         for i in range(len(SONG)):
             # Record the start time of this loop
             start_time = time.monotonic()
-        
+
             if check_button_toggle():
                 if SONG[i] == "P":
                     # This is a "pause" note, so stop the motors

examples/read_gpio_encoder.py

@@ -13,7 +13,7 @@
 # Create a new InventorHATMini
 board = InventorHATMini(init_leds=False)
 
-# Create an Encoder object using two GPIO pins 
+# Create an Encoder object using two GPIO pins
 enc = board.encoder_from_gpios(CHANNEL, GPIO_1, GPIO_2)
 
 # Uncomment the below line (and the top imports) to