The previous commit removed the handling of `dict` arguments, but
didn’t adjust the type, leading to the following type-checking error:
test_driver/driver.py:216: error: Argument 1 to "NixStartScript" has incompatible type "str | dict[Any, Any]"; expected "str" [arg-type]
It also left an unused import that Ruff is unhappy about:
build/lib/test_driver/driver.py:11:22: F401 [*] `colorama.Fore` imported but unused
…
build/lib/test_driver/driver.py:11:28: F401 [*] `colorama.Style` imported but unused
Fixes: 71306e6b36
(cherry picked from commit d490680530)
(cherry picked from commit ff31b814b62c760b1abbedc43d9b34d2dc75b351)
8221c09ff5