Minor comment that probably isn't worth acting on directly, but comments of the form "# ok ..." from me are often for `git grep`ing. E.g. While trying to remove all uses of `omero.client` from the testing framework, this comment said, "this is one of the *few* places that it's valid to use omero.client". In the future I'll just have to find a way to keep that within 80 characters.