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I’m migrating my flow code from prefect 0.15 to orion `2.0.b2` .
do you know where the `resource_manager` is located now? Before I was importing `from prefect import resource_manager`
<https://docs.prefect.io/core/idioms/resource-manager.html>
CC <@U02H1A95XDW> <@U01QEJ9PP53>

Great news: you just no longer need the resource manager! :slightly_smiling_face: Instead, you can use any Python context manager to facilitate a cleanup process, such as restoring various kinds of a global state, locking and unlocking resources, closing opened files, etc. <https://discourse.prefect.io/t/how-to-clean-up-resources-used-in-a-flow/84|This page dives into details>

in general, for migration-specific questions, check out <https://discourse.prefect.io/tag/migration-guide|this Discourse tag> that has resources that may help you with migration

Thanks for the example. The example there, is still valid for creating an EMR/Spark cluster ?
just a function with a try/finally block instead of a dedicated class?