kkolman opened a new pull request #7139: [FLINK-10925] [python] Fix NPE in PythonPlanStreamer URL: https://github.com/apache/flink/pull/7139 ## What is the purpose of the change This pull requests makes it easier to troubleshoot Python Batch API issues that would happen when trying to run a Python Batch API job without Python installed. ## Brief change log - added *PythonPlanStreamer* check for null value before calling close method on an instance variable ## Verifying this change This change is a trivial rework / code cleanup without any test coverage. - Manually verified the change by submitting a Python Batch API job to cluster not having python installed - the job failed with an explanatory error message "**Failed to run plan: python does not point to a valid python binary.**" - prior to this fix the job would fail with a confusing "**Failed to run plan: null**" message. ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): no - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: no - The serializers: no - The runtime per-record code paths (performance sensitive): no - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: no - The S3 file system connector: no ## Documentation - Does this pull request introduce a new feature? no
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