diff --git a/adafruit_bluefruitspi.py b/adafruit_bluefruitspi.py
index aa96d85..2fe598f 100644
--- a/adafruit_bluefruitspi.py
+++ b/adafruit_bluefruitspi.py
@@ -51,7 +51,6 @@
 from adafruit_bus_device.spi_device import SPIDevice
 from micropython import const
 
-# pylint: disable=bad-whitespace
 _MSG_COMMAND = const(0x10)  # Command message
 _MSG_RESPONSE = const(0x20)  # Response message
 _MSG_ALERT = const(0x40)  # Alert message
@@ -84,8 +83,6 @@
 _PACKET_BUTTON_LEN = const(5)
 _PACKET_COLOR_LEN = const(6)
 
-# pylint: enable=bad-whitespace
-
 
 class BluefruitSPI:
     """Helper for the Bluefruit LE SPI Friend"""
@@ -250,7 +247,7 @@ def command(self, string):
                 return rsp
             raise RuntimeError("Unknown response (id:{0})".format(hex(msgid)))
         except RuntimeError as error:
-            raise RuntimeError("AT command failure: " + repr(error))
+            raise RuntimeError("AT command failure: " + repr(error)) from error
 
     def command_check_OK(self, command, delay=0.0):  # pylint: disable=invalid-name
         """Send a fully formed bytestring AT command, and check
diff --git a/examples/bluefruitspi_neocolorpicker.py b/examples/bluefruitspi_neocolorpicker.py
index b7db7e1..0d960a1 100644
--- a/examples/bluefruitspi_neocolorpicker.py
+++ b/examples/bluefruitspi_neocolorpicker.py
@@ -5,8 +5,8 @@
 import busio
 import board
 from digitalio import DigitalInOut
-from adafruit_bluefruitspi import BluefruitSPI
 import neopixel
+from adafruit_bluefruitspi import BluefruitSPI
 
 ADVERT_NAME = b"BlinkaNeoLamp"