1 files changed, 6 insertions, 3 deletions
diff --git a/pkgs/development/python-modules/xarray/default.nix b/pkgs/development/python-modules/xarray/default.nix
index cf5243296613..d547d4a15d1b 100644
--- a/pkgs/development/python-modules/xarray/default.nix
+++ b/pkgs/development/python-modules/xarray/default.nix
@@ -5,27 +5,30 @@
 , numpy
 , pandas
 , python
+, isPy3k
 }:
 
 buildPythonPackage rec {
   pname = "xarray";
-  version = "0.12.0";
+  version = "0.12.1";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1wspvvp8hh9ar7pl6w1qhmakajsjsg4cm11pmi4a422jqmid0vw5";
+    sha256 = "ac09a819e791be208ae33fa7ecee19d0fe7b5479906f927d358a61957ce27e10";
   };
 
   checkInputs = [ pytest ];
   propagatedBuildInputs = [numpy pandas];
 
   checkPhase = ''
-    py.test $out/${python.sitePackages}
+    pytest $out/${python.sitePackages}
   '';
 
   # There always seem to be broken tests...
   doCheck = false;
 
+  disabled = !isPy3k;
+
   meta = {
     description = "N-D labeled arrays and datasets in Python";
     homepage = https://github.com/pydata/xarray;