• Update HISTORY.rst
• Update version number in my_project/__init__.py
• Update version number in setup.py
• Run the tests:

python setup.py test
tox

• Commit the changes:

git add .
git commit -m "Release 0.1.1"

• Build the source distribution:

python setup.py sdist

• Test that the sdist installs:

mktmpenv
cd dist
tar xzvf my_project-0.1.1.tar.gz
cd my_project-0.1.1/
python setup.py install
<try out my_project>
deactivate

• Release on PyPI:

python setup.py sdist upload

• Test that it pip installs:

mktmpenv
pip install my_project
<try out my_project>
deactivate

• Tag the last git commit with the version number:

git tag -a 0.1.1

Put the same message as in HISTORY.rst.

• Push: git push
• Push tags: git push --tags