diff --git a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala
index 8a28597740d81de6b61f87e9cff5931ac0096a87..a9b1e6315c5ce738cf837449e5259427b5564a0f 100644
--- a/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala
+++ b/examples/src/main/scala/org/apache/spark/examples/SparkPageRank.scala
@@ -18,8 +18,8 @@
 // scalastyle:off println
 package org.apache.spark.examples
 
-import org.apache.spark.sql.SparkSession
 import org.apache.spark.memory
+import org.apache.spark.sql.SparkSession
 
 /**
  * Computes the PageRank of URLs from an input file. Input file should
@@ -80,7 +80,8 @@ object SparkPageRank {
     val output = ranks.collect()
     output.foreach(tup => println(s"${tup._1} has rank:  ${tup._2} ."))
 
-    spark.sparkContext.env.blockManager.memoryStore.evictBlocksToFreeSpace(none, 100000000L, MemoryMode.ON_HEAP)
+    spark.sparkContext.env.blockManager.memoryStore
+      .evictBlocksToFreeSpace(None, 100000000L, MemoryMode.ON_HEAP)
 
     spark.stop()
   }