1 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/rubymarshal/default.nix b/nixpkgs/pkgs/development/python-modules/rubymarshal/default.nix
index ac7ba00c5867..f37843422816 100644
--- a/nixpkgs/pkgs/development/python-modules/rubymarshal/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/rubymarshal/default.nix
@@ -1,8 +1,9 @@
-{ stdenv, buildPythonPackage, fetchPypi, hypothesis }:
+{ stdenv, buildPythonPackage, fetchPypi, hypothesis, isPy3k }:
 
 buildPythonPackage rec {
   pname = "rubymarshal";
   version = "1.2.6";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;