diff -r ef5f62bf5987 -r 9a04eb6a2291 testing2/danube_test2.scala
--- a/testing2/danube_test2.scala	Tue Oct 29 23:56:13 2019 +0000
+++ b/testing2/danube_test2.scala	Wed Oct 30 11:28:44 2019 +0000
@@ -2,6 +2,8 @@
 import io.Source
 import scala.util._
 
+import CW7b._
+
 def urban_get_csv_file(name: String) : List[String] = {
   val csv = Source.fromFile(name)
   csv.mkString.split("\n").toList.drop(1)