Black breaks lines in type hints that use '|' operator.

[dusktreader]

Describe the style change

Currently, black will break a long line that uses a | character for type hints after the | character resulting is very unsightly code.

If it is possible to break the line after the type hints to stay within the line limit, black should leave the type hints on a single line.

Examples in the current Black style

def foo(
    bar: Baz
    | None = Baz(
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor...",
        language=Latin,
    ),
):
    pass

Desired style

def foo(
    bar: Baz | None = Baz(
        "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor...",
        language=Latin,
    ),
):
    pass

Additional context

This behavior causes flake8 to object over w503.

[JelleZijlstra]

Duplicate of #2316