Further reading

For further information, please refer to the following:

• A tutorial on ReStructuredText markup can be found at http://docutils.sourceforge.net/docs/user/rst/quickstart.html.
• More information on designing, structuring, documenting, and packaging Python GUI applications can be found in this author's first book, Python GUI programming with Tkinter, available from Packt Publications.

• If you're interested in publishing a package to PyPI, see https://blog.jetbrains.com/pycharm/2017/05/how-to-publish-your-package-on-pypi/ for a tutorial on the process.
• A better solution to the problem of including images in a Python library for a non-PyQt code is the pkg_resources tool provided by setuptools. You can read about it at https://setuptools.readthedocs.io/en/latest/pkg_resources.html.
• Advanced usage of PyInstaller is documented in the PyInstaller manual found at...