[GitHub] [spark] viirya commented on a change in pull request #23954: [SPARK-27041][PySpark] Use imap() for python 2.x to resolve oom issue

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viirya commented on a change in pull request #23954: [SPARK-27041][PySpark] Use imap() for python 2.x to resolve oom issue
URL: https://github.com/apache/spark/pull/23954#discussion_r261975513
 
 

 ##########
 File path: python/pyspark/worker.py
 ##########
 @@ -45,6 +45,8 @@
 
 if sys.version >= '3':
     basestring = str
+else:
+    from itertools import imap as map # use iterator map by default
 
 Review comment:
   Yes, you need to fix the style to proceed the jenkins test.

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