fix(python): update analyzer for import statements

[elsapet]

Description

Catch things like

import foo as bar
from baz import foo as bar

import foo.bar 
import a, b, c

from baz import Something as SomethingElse

Checklist

If this is your first time contributing please sign the CLA

• I've added test coverage that shows my fix or feature works as expected.
• I've updated or added documentation if required.