maropu commented on a change in pull request #31337:
URL: https://github.com/apache/spark/pull/31337#discussion_r573404493



##########
File path: 
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/errors/package.scala
##########
@@ -17,43 +17,9 @@
 
 package org.apache.spark.sql.catalyst
 
-import scala.util.control.NonFatal
-
-import org.apache.spark.SparkException
-import org.apache.spark.sql.catalyst.trees.TreeNode
-
 /**
  * Functions for attaching and retrieving trees that are associated with 
errors.
  */
 package object errors {

Review comment:
       we still need this file?




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