Provide altered context to callbacks to hide UNSET values as None
Provide altered context to callbacks to hide UNSET values as None: a task in repo2rlenv-pr-runtime (Harbor dataset). Title: Provide altered context to callbacks to hide UNSET values as None
The task
**Title:** Provide altered context to callbacks to hide `UNSET` values as `None`
Part of FineEnvs/repo2rlenv-pr-runtime.