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fix: correct element-wise comparison in words_diff_ratio #826

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fix: correct element-wise comparison in words_diff_ratio #826

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2 changes: 1 addition & 1 deletion textattack/shared/attacked_text.py
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Original file line number Diff line number Diff line change
Expand Up @@ -483,7 +483,7 @@ def words_diff_ratio(self, x: AttackedText) -> float:
Note that current text and `x` must have same number of words.
"""
assert self.num_words == x.num_words
return float(np.sum(self.words != x.words)) / self.num_words
return float(np.sum(np.array(self.words) != np.array(x.words))) / self.num_words

def align_with_model_tokens(
self, model_wrapper: textattack.models.wrappers.ModelWrapper
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