PythonPostCommits RecommendationAIIT.test_create_catalog_item failing

Failures:

• https://ci-beam.apache.org/job/beam_PostCommit_Python36/4167/
• https://ci-beam.apache.org/job/beam_PostCommit_Python37/4080/
• https://ci-beam.apache.org/job/beam_PostCommit_Python38/1490/

The only change around this time was https://github.com/apache/beam/pull/15202, but note that python37 fails before this change. 

 *This is not the first failure in a row, but it is for this test. It occurs after #15202.

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