What were you trying to do that didn't work?

Create custom TuneD profile with the following configuration:

[main]
include=${f:lscpu_check:+::}

What is the impact of this issue to you?

Potential TuneD process restarts as TuneD crashes.

Please provide the package NVR for which the bug is seen:

tuned-2.26.0-1.el9fdp.noarch

How reproducible is this bug?

always

Steps to reproduce

1. Create a tuned profile with the following content:

[main]
include=${f:lscpu_check:+::}

1. (Re)start TuneD
2. See TuneD traceback

Expected results

No TuneD traceback, instead issue a warning.

Actual results

TuneD traceback

Additional information
cpuinfo_check() built-in has the same problem