Should we use `python-Levenshtein`?

Running the `run_eval.py` script outputs these warnings:
```
readbench/.venv/lib/python3.12/site-packages/fuzzywuzzy/fuzz.py:11: UserWarning: Using slow pure-python SequenceMatcher. Install python-Levenshtein to remove this warning
```

I'd like to run the evals as you've done it in the original research. Is that without `[python-Levenshtein](https://github.com/ztane/python-Levenshtein/)` or was it accidentally omitted from the `requirements.txt`? There can be [some differences to the scores if the extra package is installed](https://github.com/seatgeek/fuzzywuzzy/issues/128).

Thanks!