ImportError: attempted relative import with no known parent package

[sujalgupta6100]

i have values of all these variables client_id, client_secret , redirect_uri and region
If I run any file I get this error. For example if I run __init__.py present in folder ad_api I get

from .auth import Auth
ImportError: attempted relative import with no known parent package

I am not able to fix this. how I can run this project and please can you provide me in detail instructions.