src/Tetrahedron.hs: make an import list explicit.

diff --git a/src/Tetrahedron.hs b/src/Tetrahedron.hs
index edf450c2c99abd4096dafa33fe011b72c3cb98ec..4bc86581bf0491cf7d8a66bfbcf7f019b66aa3b7 100644 (file)
--- a/src/Tetrahedron.hs
+++ b/src/Tetrahedron.hs
@@ -19,7 +19,7 @@ import qualified Data.Vector as V ( sum )
 import Test.Tasty ( TestTree, testGroup )
 import Test.Tasty.HUnit ( Assertion, assertEqual, testCase )
 import Test.Tasty.QuickCheck (
-  Arbitrary(..),
+  Arbitrary( arbitrary ),
   Gen,
   Property,
   (==>),
@@ -28,7 +28,7 @@ import Test.Tasty.QuickCheck (
 import Comparisons ( (~=) )
 import FunctionValues ( FunctionValues(..), empty_values )
 import Misc ( factorial )
-import Point ( Point(..), scale )
+import Point ( Point(Point), scale )
 import RealFunction ( RealFunction, cmult, fexp )
 
 data Tetrahedron =