release-procedure.md

1. Verify tests on Linux, OS-X, and Windows

2. Update version in setup.py and s3fs/init.py and commit

3. Tag the commit

   git tag 1.2.3 -m "Version 1.2.3"
   

4. Push new version bump commit and tag to github

   git push dask master --tags
   

5. Build source and wheel packages

   rm -rf dist/
   python setup.py sdist bdist_wheel --universal
   

6. Upload packages to PyPI

   twine upload dist/*