passing `past_key_values` as a tuple

[xjlv1113]

We detected that you are passing past_key_values as a tuple and this is deprecated and will be removed in v4.43. Please use an appropriate Cache class (https://huggingface.co/docs/transformers/v4.41.3/en/internal/generation_utils#transformers.Cache)

[fumiama]

This is a warning that we are trying to eliminate. It will not affect the normal usage.