Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:crameleon:branches:devel:languages:python:backports/15.6/home:crameleon:branches:devel:languages:python:backports.repo
zypper refresh
zypper install python-hatch_nodejs_version
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:crameleon:branches:devel:languages:python:backports/15.5/home:crameleon:branches:devel:languages:python:backports.repo
zypper refresh
zypper install python-hatch_nodejs_version