HF RL Explorer

Two independent bugs: broken memoize cache key and broken is arity / is arity

Two independent bugs: broken memoize cache key and broken is arity / is arity: a task in repo2rlenv-swe-smith (Harbor dataset). mf = memoize(lambda x: False, cache={1: True}) assert mf(1) is True fails: returns False assert mf(2) is False

The task

mf = memoize(lambda x: False, cache={1: True}) assert mf(1) is True # fails: returns False assert mf(2) is False ```

Part of FineEnvs/repo2rlenv-swe-smith.