The patch works as expected. However I'm getting a warning when running the function on a directory that contains a YAML file that is not defaults (it's
/home/lsedlar/pungi/pungi/util.py:944: Warning: g_propagate_error: assertion 'src != NULL' failed defaults_dir, overrides_path=overrides_dir, strict=True
The system remains functional, no issues noted.
Builds from SCM in koji are failing: https://bugzilla.redhat.com/show_bug.cgi?id=1425913