Undeserved R1722 (again)

[SamyCookie]

follow #3145

Steps to reproduce

1. lint this code

def run()
    from sys import exit
    exit()
run()

Current behavior

launch a linting recommandation R1722 (consider-using-sys-exit)

Expected behavior

no recommation

pylint --version output

pylint 2.4.2
astroid 2.3.1
Python 3.5.3 (default, Sep 27 2018, 17:25:39)
[GCC 6.3.0 20170516]

[PCManticore]

Thanks, will be fixed in the next minor release.