fix warnings from ruamel.yaml

ebu / ebu_adm_renderer

The EBU ADM Renderer, written in Python, is the reference implementation of EBU Tech 3388

https://ear.readthedocs.io

BSD 3-Clause Clear License

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Closed tomjnixon closed 3 years ago

tomjnixon commented 3 years ago

add some wrappers in case the API changes again

I haven't fixed some uses of this in some dead and untested code (the option system).