I made a extra-openai-models.yaml file thinking I would work on getting Azure OpenAI working with llm Then I learned that that's not quite as straightforward as I thought, so I left the empty file there and moved on to other things.

later, I forgot that was there, and I tried to use llm with regular OpenAI and got this

…
  File "/Users/germuska/.virtualenvs/data/lib/python3.8/site-packages/llm/default_plugins/openai_models.py", line 45, in register_models
    for extra_model in extra_models:
TypeError: 'NoneType' object is not iterable

Deleting the empty extra-openai-models.yaml got me back to using llm but it seems like it would be easy enough to handle this error so logging, and maybe i'll even add a PR if that would be helpful