Github user pgandhi999 commented on a diff in the pull request: https://github.com/apache/spark/pull/21468#discussion_r194148280 --- Diff: resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala --- @@ -813,8 +813,14 @@ private[spark] class Client( if (pythonPath.nonEmpty) { val pythonPathStr = (sys.env.get("PYTHONPATH") ++ pythonPath) .mkString(ApplicationConstants.CLASS_PATH_SEPARATOR) - env("PYTHONPATH") = pythonPathStr - sparkConf.setExecutorEnv("PYTHONPATH", pythonPathStr) + val newValue = --- End diff -- Thank you for your comments @vanzin , have made the necessary changes. As far as precedence is concerned, I am still not sure whether I understood your question at first, however @tgravescs clarified it for me.
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