Problem with Simulation case

[qiuruiyu]

Hello, when using code in Simulating pairwise preference, I set os.environ with OPENAI_API_KEY. However, it raises error when I tried to create an instance of PairwiseAutoAnnotator with:

NameError: name 'DUMMY_EXAMPLE' is not defined

[qiuruiyu]

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[YannDubs]

Thanks @qiuruiyu if you pip install -U alpaca_farm or pull from main it should work!