How To Open A File In A Package With Importlib?

I am trying to put the back-end of a simple web-scraping application that I'm working on into a package, but this application relies on loading from a pickled python object, which

Solution 1:

As per this answer on a related question (you might want to go and upvote this answer), for importlib.resources to do its job there has to be a __init__.py file in the packages.

So in your case, I believe there should be a mypackage/categories/__init__.py file (as always, that file can be left empty but it has to exist).