From 2469d0bd28ee98742efcc8407876c4d3c0123260 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sun, 25 Dec 2016 16:42:49 +0100
Subject: [PATCH] pythonPackages.buttersink: only with python 2.x

---
 pkgs/top-level/python-packages.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index de5a4a91a323..0f7c4c44ff18 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2229,6 +2229,9 @@ in {
       url = "mirror://pypi/b/buttersink/${name}.tar.gz";
     };
 
+    # Python 2 syntax
+    disabled = isPy3k;
+
     meta = {
       description = "Synchronise btrfs snapshots";
       longDescription = ''