tox: Bump mypy to 1.8.0
Without the new type: ignore
comment, the following error is reported:
swh/journal/pytest_plugin.py:105: error: Argument 1 to "evolve" has incompatible type "BaseModel"; expected an attrs class [misc]
Found 1 error in 1 file (checked 17 source files)
Any idea for a proper fix ?
Related to swh/meta#5075 (closed).