I have a project structure as follows:

/src
    __init__.py
manage.py

In __init__.py, I have a variable app declared as app = Flask(__name__).

When trying to import the variable app into manage.py using from src import app, I get the error ImportError: cannot import name 'app' from 'src' (unknown location).

Reading other posts, it seems a common consensus is to use from . import app, which yields ImportError: attempted relative import with no known parent package.

How can I solve this?