-import qualified Data.Vector as V (Vector, elem, empty, filter)
-import Test.Framework (Test, testGroup)
-import Test.Framework.Providers.HUnit (testCase)
-import Test.Framework.Providers.QuickCheck2 (testProperty)
-import Test.HUnit (Assertion, assertEqual)
-import Test.QuickCheck
+import qualified Data.Vector as V ( Vector, elem, empty, filter )
+import Test.Framework ( Test, testGroup )
+import Test.Framework.Providers.HUnit ( testCase )
+import Test.Framework.Providers.QuickCheck2 ( testProperty )
+import Test.HUnit ( Assertion, assertEqual )
+import Test.QuickCheck ( Property, (==>) )