fix it

Author: ericl

sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetPartitionDiscoverySuite.scala

@@ -30,7 +30,8 @@ import org.apache.parquet.hadoop.ParquetOutputFormat
 import org.apache.spark.sql._
 import org.apache.spark.sql.catalyst.InternalRow
 import org.apache.spark.sql.catalyst.expressions.Literal
-import org.apache.spark.sql.execution.datasources.{HadoopFsRelation, LogicalRelation, PartitionPath => Partition, PartitioningAwareFileCatalog, PartitioningUtils, PartitionSpec}
+import org.apache.spark.sql.execution.datasources._
+import org.apache.spark.sql.execution.datasources.{PartitionPath => Partition}
 import org.apache.spark.sql.functions._
 import org.apache.spark.sql.internal.SQLConf
 import org.apache.spark.sql.test.SharedSQLContext