Zhongwei Zhu created SPARK-33374:
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             Summary: [CORE] Remove unnecessary python path from spark home
                 Key: SPARK-33374
                 URL: https://issues.apache.org/jira/browse/SPARK-33374
             Project: Spark
          Issue Type: Improvement
          Components: Spark Core
    Affects Versions: 3.0.1
            Reporter: Zhongwei Zhu


Currently, spark-submit will upload pyspark.zip and py4j-0.10.9-src.zip into 
staging folder, and both files will be added into PYTHONPATH. So it's 
unnecessary to add duplicate files in current spark home folder on local 
machine. 
Output of `sys.path` as below:

'D:\\data\\yarnnm\\local\\usercache\\z\\appcache\\application_1603546638930_150736\\container_e1148_1603546638930_150736_01_000002\\pyspark.zip',
'D:\\data\\yarnnm\\local\\usercache\\z\\appcache\\application_1603546638930_150736\\container_e1148_1603546638930_150736_01_000002\\py4j-0.10.7-src.zip',
'D:\\data\\spark.latest\\python\\lib\\pyspark.zip',
'D:\\data\\spark.latest\\python\\lib\\py4j-0.10.7-src.zip',





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