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Add support for RWKV models with World tokenizer #1374

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merged 4 commits into from
Jan 31, 2024
Merged

Add support for RWKV models with World tokenizer #1374

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31b3938
Add support for RWKV models with World tokenizer
PicoCreator Jan 31, 2024
1db8892
Update huggingface.py
StellaAthena Jan 31, 2024
51c15bd
Comply with formatting guidelines
StellaAthena Jan 31, 2024
9320bb8
fix format
haileyschoelkopf Jan 31, 2024
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7 changes: 7 additions & 0 deletions lm_eval/models/huggingface.py
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,13 @@ def __init__(
if self.config.model_type == "qwen":
# Qwen's trust_remote_code tokenizer does not allow for adding special tokens
self.tokenizer.pad_token = "<|endoftext|>"
elif self.tokenizer.__class__.__name__ == "RWKVWorldTokenizer" or self.tokenizer.__class__.__name__ == "Rwkv5Tokenizer":
# The RWKV world tokenizer, does not allow for adding special tokens / setting the pad token (which is set as 0)
# The additional tokenizer name check is needed, as there exists rwkv4 models with neox tokenizer
# ---
# Note that the world tokenizer class name, might change in the future for the final huggingface merge
# https://github.com/huggingface/transformers/pull/26963
assert self.tokenizer.pad_token_id == 0
else:
self.tokenizer.add_special_tokens({"pad_token": "<|pad|>"})

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