Avoid a crash when there is a timeout when shutting down the Dask cluster

[bouweandela]

Description

Avoid a crash when there is a timeout when shutting down the Dask cluster. I have seen this happen on Levante at DKRZ recently. It does not appear to be a real problem as the cluster is shut down after the tool completes running.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.66%. Comparing base (a328578) to head (be726ed).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2580 +/- ## ======================================= Coverage 94.66% 94.66% ======================================= Files 251 251 Lines 14287 14290 +3 ======================================= + Hits 13525 13528 +3 Misses 762 762 ```

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[bouweandela]

How about "Timeout while trying to shut down the cluster at %s, you may want to check it was stopped."?

[valeriupredoi]

How about "Timeout while trying to shut down the cluster at %s, you may want to check it was stopped."?

sounds soothing enough :grin: