pylint fixes adafruit#2

Author: d-a-v

adafruit_debouncer.py

@@ -141,7 +141,7 @@ def __init__(self, pin, short_duration=0.2, long_duration=0.5, active_down=True,
         self.short_to_show = 0
         self.long_registered = False
         self.long_showed = False
-        super(Button, self).__init__(pin, **kwargs)
+        super().__init__(pin, **kwargs)
 
     def _pushed(self):
         return (self.active_down and super().fell) or (not self.active_down and super().rose)

examples/debouncer_multi.py

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2022 david gauchard
+# SPDX-License-Identifier: MIT
+
 import board
 import digitalio
 from adafruit_debouncer import Button