How to properly use relative or absolute imports in Python modules?

Question

Usage of relative imports in Python has one drawback, you will not be able to run the modules as standalones anymore because you will get an exception: ValueError: Att

Answer 1

So far the only solution I found was not to use relative imports at all.

Due to current limitation, I'm wondering when someone is supposed to use relative imports in python.

On all configurations that I used the sys.path contained the current directory as first argument so just use import foo instead of from . import foo because it will do the same.