HyukjinKwon commented on code in PR #37989:
URL: https://github.com/apache/spark/pull/37989#discussion_r979395539
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core/src/test/scala/org/apache/spark/scheduler/DAGSchedulerSuite.scala:
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@@ -4469,7 +4469,7 @@ class DAGSchedulerSuite extends SparkFunSuite with
TempLocalSparkContext with Ti
blockStoreClientField.setAccessible(true)
blockStoreClientField.set(sc.env.blockManager, blockStoreClient)
- val sentHosts = ArrayBuffer[String]()
+ val sentHosts = ArrayBuffer.empty[String]
Review Comment:
This is unrelated but just a cleanup.
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