pylint: Lint in single process mode
There are several known problems with multiprocess mode.
For example, https://github.com/PyCQA/pylint/issues/3232.
In other words the lint result depends on the number of jobs.
The most correct report is expected for single process.
Fixes: https://pagure.io/freeipa/issue/9278
Signed-off-by: Stanislav Levin <slev@altlinux.org>
Reviewed-By: Stanislav Levin <slev@altlinux.org>