chore(samples): fix job polling

[medb]

Fixes failure:

Waiting for job to finish...
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 9, in wait_for_job
  File "/opt/conda/default/lib/python3.8/enum.py", line 384, in __getattr__
    raise AttributeError(name) from None
AttributeError: Name

[kurtisvg]

Since it's a single commit, you'll have to update it to make the conventional commits check match.

[medb]

@kurtisvg added one more commit, so it should be OK now?

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