[Snek] [keith-packard/snek] 430c4a: Add 'black-reformat' make target

[Keith Packard]

  Branch: refs/heads/black-workflow
  Home:   https://github.com/keith-packard/snek
  Commit: 430c4aefa49f249a44903f7c72caae6060dae199
      https://github.com/keith-packard/snek/commit/430c4aefa49f249a44903f7c72caae6060dae199
  Author: Keith Packard <keithp at keithp.com>
  Date:   2020-11-03 (Tue, 03 Nov 2020)

  Changed paths:
    M Makefile

  Log Message:
  -----------
  Add 'black-reformat' make target

Useful to get code formatted before merging

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: 718bdf67199fd771d270734f0ebc70ef981712a0
      https://github.com/keith-packard/snek/commit/718bdf67199fd771d270734f0ebc70ef981712a0
  Author: Keith Packard <keithp at keithp.com>
  Date:   2020-11-03 (Tue, 03 Nov 2020)

  Changed paths:
    M ports/esp32/loadable_elf_example_test.py
    M test/pass-trailing-comma.py

  Log Message:
  -----------
  Reformat a couple of python files

Just ran 'make black-reformat'

Signed-off-by: Keith Packard <keithp at keithp.com>


  Commit: 516a079a0a5272d9e5167d3feb027c335f5d0ab5
      https://github.com/keith-packard/snek/commit/516a079a0a5272d9e5167d3feb027c335f5d0ab5
  Author: Keith Packard <keithp at keithp.com>
  Date:   2020-11-03 (Tue, 03 Nov 2020)

  Changed paths:
    A .github/workflows/black.yml

  Log Message:
  -----------
  .github: Add workflow to check snek/python formatting with black

Signed-off-by: Keith Packard <keithp at keithp.com>


Compare: https://github.com/keith-packard/snek/compare/430c4aefa49f%5E...516a079a0a52