See https://copr.fedorainfracloud.org/coprs/g/python/python3.8/package/python-ipykernel/ for actual logs. This report is automated and not very verbose, but feel free to ping me for help.
A WIP PR is at https://src.fedoraproject.org/rpms/python-ipykernel/pull-request/8 however there is reaming problem with dying kernel.