I have fixed my issue, it turns out it was what I was inputting into the importlib.import_module.

The answer to the question tho, should be adding __init__.py files into the directories that will be packages. The __init__.py files are fine being empty but can have contents within.

Helpful links

• stackoverflow.com/a/1260813/2834978

Thank you @joanis for the solution to my problem and thank you to everyone else who helped for the solution to the original question.