1 files changed, 1 insertions, 0 deletions

diff --git a/packages/hmatrix/src/Numeric/HMatrix/Data.hs b/packages/hmatrix/src/Numeric/HMatrix/Data.hs
index 568dc05..5d7ce4f 100644
--- a/packages/hmatrix/src/Numeric/HMatrix/Data.hs
+++ b/packages/hmatrix/src/Numeric/HMatrix/Data.hs
@@ -64,6 +64,7 @@ module Numeric.HMatrix.Data(
 import Data.Packed.Vector
 import Data.Packed.Matrix
 import Numeric.Container
+import Numeric.IO
 import Numeric.LinearAlgebra.Util
 import Data.Complex