Steps to reproduce

1. Python 3.6.8
2. check_output("ls", preexec_fn=lambda: None)
3. pylint -E

Current behavior

temp.py:9:0: E1123: Unexpected keyword argument 'preexec_fn' in function call (unexpected-keyword-arg)

Expected behavior

No error

python -c "from astroid import __pkginfo__; print(__pkginfo__.version)" output

2.3.3

See recently closed #715. All Popen arguments need to be supported.