Save progress. import gov.llnl.spack.mpich works.

lib/spack/llnl/util/tty/colify.py

lib/spack/spack/__init__.py

lib/spack/spack/cmd/repo.py

lib/spack/spack/config.py

lib/spack/spack/packages.py

lib/spack/spack/repo_loader.py

lib/spack/spack/spec.py

lib/spack/spack/test/directory_layout.py

lib/spack/spack/test/mock_packages_test.py

lib/spack/spack/test/package_sanity.py

lib/spack/spack/test/packages.py

lib/spack/spack/util/naming.py

var/spack/mock_packages/_repo.yaml

var/spack/mock_packages/repo.yaml

var/spack/packages/_repo.yaml