Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11140#discussion_r52544162
--- Diff: core/src/main/scala/org/apache/spark/api/python/PythonRDD.scala
---
@@ -18,12 +18,17 @@
package org.apache.spark.api.python
import java.io._
+import java.lang.ref.PhantomReference
+import java.lang.ref.ReferenceQueue
import java.net._
import java.util.{ArrayList => JArrayList, Collections, List => JList, Map
=> JMap}
import scala.collection.JavaConverters._
import scala.collection.mutable
+import scala.collection.mutable.ListBuffer
import scala.language.existentials
+import scala.language.postfixOps
+import scala.ref
--- End diff --
what's this import for?
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
