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Don't fail import when the gated Llama-2 tokenizer is inaccessible (c4.py) #10

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Don't fail import when the gated Llama-2 tokenizer is inaccessible (c4.py) #10

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7 changes: 6 additions & 1 deletion src/data/c4.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,12 @@
import os


hf_tknzr = AutoTokenizer.from_pretrained("meta-llama/Llama-2-7b-hf")
# Lazy/guarded: meta-llama/Llama-2-7b-hf is a GATED repo (403 without auth). Only c4 needs it;
# importing this module (e.g. for wikitext) must not fail at import time.
try:
hf_tknzr = AutoTokenizer.from_pretrained("meta-llama/Llama-2-7b-hf")
except Exception:
hf_tknzr = None


def get_c4_data(datasets_dir, num_proc=40):
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