there's a new type alias syntax

type Point = tuple[float, float]

Resources:

• https://docs.python.org/3/reference/simple_stmts.html#type
• https://peps.python.org/pep-0695/
• https://docs.python.org/3/whatsnew/3.12.html#whatsnew312-pep695

See also screenshot in lezer playground by @dralletje, this completely throws off the parser