Following up on #338 (comment)

ev3dev-lang-python is already broken in ev3dev-stretch

How so? That seems pretty important. Can you open a new issue for it?

https://github.com/ev3dev/ev3dev-kpkg/blob/ev3dev-stretch/ev3dev-ev3/changelog

• Breaking change: LEDs are renamed to mainline kernel names
  • Names will be similar to "led0:red:brick-status"

• Breaking change: EV3/EVB input/output port drivers are merged
  • EV3 port names will be similar to "ev3-ports:in1".