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-rw-r--r--core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala b/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
index 7f474ed591..e8748dd80a 100644
--- a/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
+++ b/core/src/main/scala/org/apache/spark/HeartbeatReceiver.scala
@@ -22,6 +22,7 @@ import java.util.concurrent.{ScheduledFuture, TimeUnit}
import scala.collection.mutable
import scala.concurrent.Future
+import org.apache.spark.internal.Logging
import org.apache.spark.rpc.{RpcCallContext, RpcEnv, ThreadSafeRpcEndpoint}
import org.apache.spark.scheduler._
import org.apache.spark.storage.BlockManagerId