In PyYAML 5.1 there are some major changes, listed [here](https://github.com/yaml/pyyaml/issues/265). We should adapt the tests and also the lib behaviour to register with all new loaders.
In PyYAML 5.1 there are some major changes, listed here.
We should adapt the tests and also the lib behaviour to register with all new loaders.