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https://issues.apache.org/jira/browse/AMBARI-26070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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William Horn resolved AMBARI-26070.
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Fix Version/s: 3.0.0
Resolution: Fixed
> Ambari throws SyntaxWarnings after moving to Python3
> ----------------------------------------------------
>
> Key: AMBARI-26070
> URL: https://issues.apache.org/jira/browse/AMBARI-26070
> Project: Ambari
> Issue Type: Bug
> Components: ambari-agent, ambari-server
> Affects Versions: 3.0.0
> Reporter: William Horn
> Priority: Minor
> Fix For: 3.0.0
>
> Attachments: after.png, before.png
>
> Original Estimate: 1h
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> The Python project introduced new SyntaxWarnings in Python 3.8 to warn users
> against using 'is' and 'is not' keywords when comparing string literals, as
> this is an identity comparison when an equality comparison ('==' and '!=') is
> more likely the intended logic.
> After this update in the Python project, and moving to Python 3.9 in
> [AMBARI-26000|https://issues.apache.org/jira/browse/AMBARI-26000] (see the
> change
> [here|https://github.com/generalmotors/ambari/commit/5f95ec6c60ef17d65b0ef2b059feb1b9c482aaa4#diff-1082505afdedea77cad7c38946ff8c5c6eeab614d300e661710e25b09e9bd981]
> to imply the target python version is 3.9), these SyntaxWarnings are exposed
> when running any ambari-server script commands, as well as within
> ambari-agent logs.
> The fix is simply replacing the 'is' and 'is not' keywords with their
> equality equivalents.
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