[GitHub] [spark] warrenzhu25 commented on a change in pull request #30281: [SPARK-33374][CORE] Remove unnecessary python path from spark home

[GitBox <gi...@apache.org>]

warrenzhu25 commented on a change in pull request #30281:
URL: https://github.com/apache/spark/pull/30281#discussion_r519458361



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File path: core/src/main/scala/org/apache/spark/api/python/PythonUtils.scala
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@@ -29,14 +29,9 @@ import org.apache.spark.api.java.{JavaRDD, JavaSparkContext}
 private[spark] object PythonUtils {
   val PY4J_ZIP_NAME = "py4j-0.10.9-src.zip"
 
-  /** Get the PYTHONPATH for PySpark, either from SPARK_HOME, if it is set, or from our JAR */
+  /** Get the PYTHONPATH for PySpark from our JAR */
   def sparkPythonPath: String = {
     val pythonPath = new ArrayBuffer[String]
-    for (sparkHome <- sys.env.get("SPARK_HOME")) {
-      pythonPath += Seq(sparkHome, "python", "lib", "pyspark.zip").mkString(File.separator)
-      pythonPath +=
-        Seq(sparkHome, "python", "lib", PY4J_ZIP_NAME).mkString(File.separator)
-    }

Review comment:
       Yes, this is for yarn mode. Could we determine whether this is yarn mode, then skip this pythonPath? 




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