blacken

Author: ladyada

adafruit_neokey/neokey1x4.py

@@ -29,7 +29,6 @@
 __version__ = "0.0.0-auto.0"
 __repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_NeoKey.git"
 
-from time import sleep
 from micropython import const
 from adafruit_seesaw.neopixel import NeoPixel
 from adafruit_seesaw.seesaw import Seesaw
@@ -42,19 +41,21 @@
 _NEOKEY1X4_NUM_COLS = const(4)
 _NEOKEY1X4_NUM_KEYS = const(4)
 
+
 class NeoKey1x4(Seesaw):
     """Driver for the Adafruit NeoKey 1x4."""
 
     def __init__(self, i2c_bus, interrupt=False, addr=_NEOKEY1X4_ADDR):
         super().__init__(i2c_bus, addr)
         self.interrupt_enabled = interrupt
-        self.pixels = NeoPixel(self, _NEOKEY1X4_NEOPIX_PIN,
-                               _NEOKEY1X4_NUM_KEYS, brightness=0.2)
+        self.pixels = NeoPixel(
+            self, _NEOKEY1X4_NEOPIX_PIN, _NEOKEY1X4_NUM_KEYS, brightness=0.2
+        )
         # set the pins to inputs, pullups
         for b in range(4, 8):
             self.pin_mode(b, self.INPUT_PULLUP)
 
     def __getitem__(self, index):
         if not isinstance(index, int) or (index < 0) or (index > 3):
             raise RuntimeError("Index must be 0 thru 3")
-        return not self.digital_read(index+4)
+        return not self.digital_read(index + 4)

examples/neokey1x4_simpletest.py

@@ -1,9 +1,7 @@
 # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
 # SPDX-License-Identifier: MIT
 
-import time
 import board
-import busio
 from adafruit_neokey.neokey1x4 import NeoKey1x4
 
 # use default I2C bus