Please branch and build indent for EPEL9. I tried rebuilding the EPEL8 SRPM in a RHEL9 mock environment. It built successfully without requiring any spec file changes, and appears to work normally.
https://pagure.io/releng/fedora-scm-requests/issue/45956
FEDORA-EPEL-2022-dede0443b0 has been submitted as an update to Fedora EPEL 9. https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2022-dede0443b0
FEDORA-EPEL-2022-dede0443b0 has been pushed to the Fedora EPEL 9 testing repository. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2022-dede0443b0 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.
FEDORA-EPEL-2022-dede0443b0 has been pushed to the Fedora EPEL 9 stable repository. If problem still persists, please make note of it in this bug report.