python-papermill from devel:languages:python:backports project

Sty agraw n unessmres nnek/m

For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/devel:languages:python:backports/15.4/devel:languages:python:backports.repo
zypper refresh
zypper install python-papermill