[Snek] [keith-packard/snek] 69c608: Reformat 'snek-builtin.py'

[Keith Packard]

  Branch: refs/heads/build-reqs
  Home:   https://github.com/keith-packard/snek
  Commit: 69c608f7fd8874039cc8c1e26b3527842119f1c8
      https://github.com/keith-packard/snek/commit/69c608f7fd8874039cc8c1e26b3527842119f1c8
  Author: Keith Packard <keithp at keithp.com>
  Date:   2022-09-05 (Mon, 05 Sep 2022)

  Changed paths:
    M snek-builtin.py

  Log Message:
  -----------
  Reformat 'snek-builtin.py'

Black found a spurious semicolon.

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