src/twisted/python/test/strategies.py:29:34: error: Argument "blacklist_categories" to "characters" has incompatible type "tuple[str]"; expected "Collection[Literal['L', 'Lu', 'Ll', 'Lt', 'Lm', 'Lo', 'M', 'Mn', 'Mc', 'Me', 'N', 'Nd', 'Nl', 'No', 'P', 'Pc', 'Pd', 'Ps', 'Pe', 'Pi', 'Pf', 'Po', 'S', 'Sm', 'Sc', 'Sk', 'So', 'Z', 'Zs', 'Zl', 'Zp', 'C', 'Cc', 'Cf', 'Cs', 'Co', 'Cn']] | None"  [arg-type]