src/Point.hs: import "arbitrary" explicitly.

diff --git a/src/Point.hs b/src/Point.hs
index 54c4f72913f37611bdf81861a30af49204dc50ce..004b2e4498f99920971b9f36a2d3b6aa8d32dc01 100644 (file)
--- a/src/Point.hs
+++ b/src/Point.hs
@@ -6,7 +6,7 @@ module Point (
   scale )
 where
 
-import Test.Tasty.QuickCheck ( Arbitrary(..) )
+import Test.Tasty.QuickCheck ( Arbitrary( arbitrary ) )
 
 
 -- | Represents a point in three dimensions. We use a custom type (as