release-procedure.md

• Update changelog in docs/changelog.rst

• Bump version in sparse/version.py and commit.

• Tag commit

  git tag -a x.x.x -m 'Version x.x.x'
  

• Push to github

  git push pydata master --tags
  

• Upload to PyPI

  git clean -xfd  # remove all files in directory not in repository
  python setup.py sdist bdist_wheel --universal  # make packages
  twine upload dist/*  # upload packages