diff --git a/batch-models/src/main/scala/org/ekstep/analytics/dashboard/report/course/CourseReportModel.scala b/batch-models/src/main/scala/org/ekstep/analytics/dashboard/report/course/CourseReportModel.scala
index bde34f8d..51667526 100644
--- a/batch-models/src/main/scala/org/ekstep/analytics/dashboard/report/course/CourseReportModel.scala
+++ b/batch-models/src/main/scala/org/ekstep/analytics/dashboard/report/course/CourseReportModel.scala
@@ -1,6 +1,7 @@
 import org.apache.spark.SparkContext
 import org.apache.spark.sql.SparkSession
 import org.apache.spark.sql.functions._
+import org.apache.spark.sql.types._
 import org.ekstep.analytics.dashboard.DashboardUtil._
 import org.ekstep.analytics.dashboard.DataUtil._
 import org.ekstep.analytics.dashboard.{AbsDashboardModel, DashboardConfig, Redis}