FIX: Avoid caching in X-LoRA generate #2384
Merged
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Supersedes #2383.
X-LoRA tests started failing after this transformers PR (see e.g. here):
huggingface/transformers#35724
The solution appears to be to disable caching completely when calling generate on the X-LoRA model. This also makes some previously xfail-ing tests pass.
I tested this locally with transformers checked out before and after the mentioned PR and the tests pass in both circumstances. I also tested changing the base model from "facebook/opt-125m" to "trl-internal-testing/tiny-random-LlamaForCausalLM" and the tests passed with both.