Good evening everyone and @sshiraiwa! I'm opening this issue because I can compile MFEM without any issue, but I've had a really hard time with pymfem recently. My config is: mac OS Monterey, version ...

@bclyons12 I realize that this is very late response, but I would like to summarize what was going on, for the sake of record. Recent setuptools have a line import email.message, which eventually call ...