Add new package: sparse (#18264)
Add new package: sparse (#18264)

* Add new package: sparse

* flake8 fixes
iulian787/spack,LLNL/spack,iulian787/spack,LLNL/spack,LLNL/spack,LLNL/spack,iulian787/spack,iulian787/spack,iulian787/spack,LLNL/spack