python-css-html-js-minify from openSUSE:Factory:zSystems project
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Add repository and install manually
For standard run the following as root:
zypper addrepo https://download.opensuse.org/repositories/openSUSE:Factory:zSystems/standard/openSUSE:Factory:zSystems.repo zypper refresh zypper install python-css-html-js-minify