memoize always raises TypeError: Arguments to memoized function must be hashable for valid hashable arguments

memoize always raises TypeError: Arguments to memoized function must be hashable for valid hashable arguments: a task in repo2rlenv-swe-smith (Harbor dataset). toolz.functoolz.memoize is broken for all calls: even when arguments are perfectly hashable (e.g., plain integers), the memoized wrapper…