It sounds like you should invest some time in learning to program python in a pythonic way. If you are trying to build stuff using tons of design patterns factory patterns, you are doing it wrong. Most of those where made to work around limitations of type-systems which aren’t there in python, and naturally you end up having issues solving things like that when you don’t have typing. (Which you do still have with mypy, but as you say you’re not using that). At the end of the day you are using python and there must be a better way! though just like anything else you need to dedicate time to lean not just the syntax but also how to effectively use the language without needlessly over complicating things.
I'm not trying to build using tons of factory patterns or the like, quite the opposite actually. I try to code as close to the bare language as possible, and work under the assumption that if I at some point would like to pivot my reasoning or approach to a program, the language and the tooling available will help me do so. This is simply not true without types.
I'm not alone in thinking that, the creator of Python himself has devoted his recent work to adding types to Python. Is that just because he doesn't write his code "the correct way"? Does he simply know the syntax but not hoe to effectively use the language? I don't think so.
