Fix mypy
Fix mypy

Turns out multi-line ignores aren't a thing until Python 3.8 [1]. I've
no idea how this was passing beforehand. The fix is easy - change the
order of the args, allowing us to place things where they need to go.

[1] https://github.com/python/mypy/issues/500#issuecomment-495158673

Signed-off-by: Stephen Finucane <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@that.guru>

getpatchwork/git-pw,stephenfin/git-pw