ssd1351 drivers: remove unused import statement.

drivers/ssd1351/ssd1351_16bit.py

@@ -14,7 +14,6 @@ import framebuf
 import utime
 import gc
 import micropython
-from uctypes import addressof
 from drivers.boolpalette import BoolPalette
 
 # https://github.com/peterhinch/micropython-nano-gui/issues/2

drivers/ssd1351/ssd1351_4bit.py

@@ -15,7 +15,6 @@ import framebuf
 import utime
 import gc
 import micropython
-from uctypes import addressof
 from drivers.boolpalette import BoolPalette
 
 # https://github.com/peterhinch/micropython-nano-gui/issues/2

drivers/ssd1351/ssd1351_generic.py

@@ -9,17 +9,16 @@
 # This driver is based on the Adafruit C++ library for Arduino
 # https://github.com/adafruit/Adafruit-SSD1351-library.git
 
-# Copyright (c) Peter Hinch 2018-2020
+# Copyright (c) Peter Hinch 2018-2022
 # Released under the MIT license see LICENSE
 
 import framebuf
 import utime
 import gc
 import micropython
-from uctypes import addressof
 from drivers.boolpalette import BoolPalette
 
-import sys
+#import sys
 # https://github.com/peterhinch/micropython-nano-gui/issues/2
 # The ESP32 does not work reliably in SPI mode 1,1. Waveforms look correct.
 # Now using 0,0 on STM and ESP32