Change description-file → description_file in setup.cfg
Change description-file → description_file in setup.cfg

This silences the warning:
UserWarning: Usage of dash-separated 'description-file' will not be supported
in future versions. Please use the underscore name 'description_file' instead

Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger,Dallinger/Dallinger