@delabrou yes, this is a problem that only affects people that have used a beta release. People using stable releases are not affected.
I plan to rename all maps and add a timestamp when I release the stable 3.4.0. So that even if people used a beta release previously, they would not by mistake use an outdated file from the cache.
Originally posted by @zonca in https://github.com/galsci/pysm/issues/153#issuecomment-1445231982