Wrong type annotation for headers

[tekktrik]

Pretty sure headers is typed incorrectly as an argument in a few places - it's listed as a List but shouldn't be.

[gustavomfb]

can you asign me this one?

[tekktrik]

Sure thing!

[gustavomfb]

Done! how should I link my PR to this issue? I'm new in rep contributing.

[dhalbert]

Done! how should I link my PR to this issue? I'm new in rep contributing.

To link an issue, click on "Development" in the right sidebar, or use a phrase like "Fixes #nnn". See https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue

[gustavomfb]

Tks!!