Some small cleanups

Description

Some cleanups left over from the YAML new world order

There should be nothing controversial in this.

added 4 commits

• 4507b483...6a965cd0 - 2 commits from branch master
• 906612a0 - _yaml.py::load(): Re-raise LoadError with displayname
• ac17fe72 - _yaml.py::node_get(): Only construct path on error

Compare with previous version

approved this merge request

assigned to @marge-bot123

merged

mentioned in commit 9605f798