[Python] Avoiding `sys.path.append(..)` for imports

This isn't the first time I am cringing over imports in Python. But I guess this one is an interesting use case, so I thought to ask it here to get a much better insight. The structure of my project is as follows:

sample_project
- src
- __init__.py
- module1
- __init__.py
- utils.py
- module2
- __init__.py
- models.py
- app.py


The module1 imports methods from module2 and app imports method from all the other. Also, when you run the app it needs to create a folder called logs outside of src folder. There are now to ways to run the app:

1. From inside src folder flask run app
2. From outside of src folder flask run src.app

To make sure that I don't get import errors because of the change of the top level module where the app is started, I do this:

import sys
sys.path.append("..")


Is there any better solution to this problem?

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