it was actually moved from
pkgs/development/python-modules/playwright/default.nix to its own
pkgs/development/web/playwright/driver.nix .
I am trying to package the typescript version of playwright and the
browsers are needed there, it's more convenient to split them away from the python module.
Careful playwright.browsers is not accessible anymore.
Apply suggestions from code review
Co-authored-by: Yannik Rödel <hey@yannik.info>
