FIX Raise an error when performing mixed adapter inference and passing non-existing adapter names #2090
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PEFT allows mixed batch adapter inference, i.e. when predicting, the same batch can use different adapters by passing the adapter_names argument. However, when users pass an adapter name that does not correspond to any of the existing adapters, these samples are currently being ignored (i.e. just the base model output is used). This is unexpected and can easily lead to errors, e.g. when users mistype the name of an adapter. This PR fixes this issue by checking all the existing adapter names first and comparing them to the adapter_names that the user passed. If there are unexpected entries, an error is raised. Due to this fix, an error in the test test_mixed_adapter_batches_lora_merged_raises was discovered and promptly fixed.
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PEFT allows mixed batch adapter inference, i.e. when predicting, the same batch can use different adapters by passing the
adapter_namesargument. However, when users pass an adapter name that does not correspond to any of the existing adapters, these samples are currently being ignored (i.e. just the base model output is used). This is unexpected and can easily lead to errors, e.g. when users mistype the name of an adapter.This PR fixes this issue by checking all the existing adapter names first and comparing them to the
adapter_namesthat the user passed. If there are unexpected entries, an error is raised.Due to this fix, an error in the test
test_mixed_adapter_batches_lora_merged_raiseswas discovered and promptly fixed.