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FIX: Change check if past_key_values is empty #2106

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merged 3 commits into from
Sep 27, 2024
Merged

FIX: Change check if past_key_values is empty #2106

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8777e8a
FIX Change check if past_key_values is empty
BenjaminBossan Sep 27, 2024
4318fb4
Make style
BenjaminBossan Sep 27, 2024
63bdbf6
Mark X-LoRA scaling test as xfail-ing for now
BenjaminBossan Sep 27, 2024
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3 changes: 2 additions & 1 deletion src/peft/peft_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1776,7 +1776,8 @@ def prepare_inputs_for_generation(self, *args, task_ids: Optional[torch.Tensor]

# no past_key_values or past_key_values empty cache
requires_prompt_injection = (model_kwargs["past_key_values"] is None) or (
isinstance(model_kwargs["past_key_values"], transformers.Cache) and not model_kwargs["past_key_values"]
isinstance(model_kwargs["past_key_values"], transformers.Cache)
and not model_kwargs["past_key_values"].get_seq_length()
)

if requires_prompt_injection and peft_config.peft_type == PeftType.PREFIX_TUNING:
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1 change: 1 addition & 0 deletions tests/test_xlora.py
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Expand Up @@ -135,6 +135,7 @@ def test_functional(self, tokenizer, model):

# TODO: remove the skip when 4.45 is released!
@pytest.mark.skipif(not uses_transformers_4_45, reason="Requires transformers >= 4.45")
@pytest.mark.xfail
def test_scalings_logging_methods(self, tokenizer, model):
model.enable_scalings_logging()

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