Github user szyszy commented on a diff in the pull request:
https://github.com/apache/spark/pull/20761#discussion_r203794300
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala
---
@@ -17,7 +17,7 @@
package org.apache.spark.deploy.yarn
-import java.io.{FileSystem => _, _}
+import java.io.{File, FileOutputStream, IOException, OutputStreamWriter, _}
--- End diff --
Fixed
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