/lagacy_pack
   __init__.py
   first.py
   second.py
app.py

from legacy_pack.first import Test
from legacy_pack.second import get_name, global_name
# some logic...
name = get_name('test')
if name != global_name:
    inst = Test()

class Test(object):
    # just for demonstration
    pass

def get_name(name):  # type: (str) -> str
    return '.'.join(['name', ':', name])
# just for demonstration
global_name = get_name('example')

# pylint path_to_module_or_package --reports=y
pylint ./app.py --reports=y