When or why to use relative imports in Python

Question

Is there any rules or guidelines concerning when to use relative imports in Python? I see them in use all the time like in the Flask web framework. When searching for this t

Answer 1

Check out PEP 328's section on relative imports

The rationale seems to be as written:

Several use cases were presented, the most important of which is being able to rearrange the structure of large packages without having to edit sub-packages. In addition, a module inside a package can't easily import itself without relative imports.