Lines were not splitted correctly, made a wrong assumption on the spaces
used for having paths in a column. Now it looks for the first slash,
which should only be a path.

* add a main function to be able to import that script as a package in the future
* code style passes flake8

It is unclear how profile-related configuration should be splitted.

Conflicts with YATS

Better late than never

can be used to override script directory with Python 3 scripts