Damerau-Levenshtein distance calculation fails with NameError

Damerau-Levenshtein distance calculation fails with NameError: a task in harbor-swesmith-rl-artifacts: Harbor SWE-Smith 强化学习数据产物 (Harbor dataset). I'm trying to use the Damerau-Levenshtein distance calculation in strsimpy, but it's failing with a NameError.

The task

I'm trying to use the Damerau-Levenshtein distance calculation in strsimpy, but it's failing with a NameError.

Part of keryszhan/harbor-swesmith-rl-artifacts.