Bug: is exception type raises TypeError when given a tuple of exception classes

Bug: is exception type raises TypeError when given a tuple of exception classes: a task in repo2rlenv-swe-smith (Harbor dataset). ignore , reraise , and retry all call an internal helper ensure exceptable to normalise their errors argument. When a tuple (or list) of exception classes is passed…

The task

`ignore`, `reraise`, and `retry` all call an internal helper `_ensure_exceptable` to normalise their `errors` argument. When a tuple (or list) of exception classes is passed, `_ensure_exceptable` is supposed to return that tuple directly. However, `_is_exception_type` — which gates this path — calls…

Part of FineEnvs/repo2rlenv-swe-smith.