Scala 2.13 support (#1751)

1 files changed, 1 insertions, 1 deletions

diff --git a/src/test/scala/chiselTests/ChiselSpec.scala b/src/test/scala/chiselTests/ChiselSpec.scala
index 9503089a..37c4a2b7 100644
--- a/src/test/scala/chiselTests/ChiselSpec.scala
+++ b/src/test/scala/chiselTests/ChiselSpec.scala
@@ -292,7 +292,7 @@ trait Utils {
     exceptions.collectFirst{ case a: A => a } match {
       case Some(a) => throw a
       case None => exceptions match {
-        case Nil    => Unit
+        case Nil    => ()
         case h :: t => throw h
       }
     }