Fix log streaming when EXECUTE_TASKS_NEW_PYTHON_INTERPRETER is enabled in Celery executor #50682
+2
−1
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Elasticsearch (when configured to output json to stdout) requires, naturally, that the logs are sent as json to stdout.
Currently when running with EXECUTE_TASKS_NEW_PYTHON_INTERPRETER set to true, we use check_output, and we do nothing with the output. This PR implements @dstandish suggestion mentioned in #47420
TESTING

Before, logs were not coming with with ES when
EXECUTE_TASKS_NEW_PYTHON_INTERPRETER =True
After

Logs are coming fine now
Also, I have verified in AWS there is no regression after this fix

closes: #47420
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