This post is for manually fixing an ipython Windows ConEmu only bug (from prompt_toolkit): Exception ''MouseEventType.MOUSE_DOWN'' is not a valid MouseEventType.
If I'm not wrong, the SQLAlchemy official doc provides some examples to explain how to share a set of common columns, some common table options, or other mapped properties, across many classes. But I cannot find how to share common methods (e.g. your customized to_dict() method). This post will just show you a POC to achieve this goal by using Python Mixin.
Python has several tools to upload packages to PyPi or some private Artifactory locations. The mostly used one should be twine. Although twine is not a Python originate tool, but it's officially recommended by Python.org.