=== pkg/__init__.py
=== pkg/util.py
def helper():
    return 1
=== main.py
import pkg.util
import pkg.util as u

pkg.util.helper()
u.helper()
=== expected
symbol pkg/util.py:1 helper function
edge main.py:4 main.py calls pkg.util.helper -> pkg/util.py:1 helper EXTRACTED 1
edge main.py:5 main.py calls u.helper -> pkg/util.py:1 helper EXTRACTED 1
