chore: It's <current year>, 120 is fine (#625)

Author: BeyondEvil

tox.ini

@@ -48,7 +48,7 @@ deps = sphinx
 commands = sphinx-build -b html . _build/html
 
 [flake8]
-max-line-length = 88
+max-line-length = 120
 exclude = .eggs,.tox
 # rationale here:
 # https://github.com/psf/black/blob/master/docs/the_black_code_style.md#slices