Fix past key values usage #187
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Co-authored-by: Ella Charlaix <80481427+echarlaix@users.noreply.github.com>
echarlaix
approved these changes
Feb 8, 2023
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transformers 4.26.0 broke the usage of past key and values in Optimum:
https://github.com/huggingface/transformers/blob/v4.25.1/src/transformers/models/t5/modeling_t5.py#L1703
vs
https://github.com/huggingface/transformers/blob/v4.26.0/src/transformers/models/t5/modeling_t5.py#L1715
This PR fixes the issue and adds the corresponding test.
Related: huggingface/optimum#756 huggingface/optimum#754