Please branch and build mpi4py in epel10. If you do not wish to maintain mpi4py in epel10, or do not think you will be able to do this in a timely manner, the EPEL Packagers SIG would be happy to be a co-maintainer of the package; please add the epel-packagers-sig group through https://src.fedoraproject.org/rpms/mpi4py/addgroup and grant it commit access, or collaborator access on epel* branches. I would also be happy to be a co-maintainer (FAS: orion).
Built fine in mock for me
FEDORA-EPEL-2025-df9072faad (mpi4py-4.0.1-1.el10_0) has been submitted as an update to Fedora EPEL 10.0. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-df9072faad
FEDORA-EPEL-2025-df9072faad has been pushed to the Fedora EPEL 10.0 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2025-df9072faad See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2025-df9072faad (mpi4py-4.0.1-1.el10_0) has been pushed to the Fedora EPEL 10.0 stable repository. If problem still persists, please make note of it in this bug report.