From ba7cb82c0c2d1ddfe49ffaa18976b32f967e3af7 Mon Sep 17 00:00:00 2001
From: Jonathan Ringer <jonringer117@gmail.com>
Date: Sun, 22 Dec 2019 11:38:29 -0800
Subject: [PATCH] pythonPackages.marshmallow: python2 no longer supported

---
 pkgs/development/python-modules/marshmallow/default.nix | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/marshmallow/default.nix b/pkgs/development/python-modules/marshmallow/default.nix
index 57956009a9a..7b7cadc9889 100644
--- a/pkgs/development/python-modules/marshmallow/default.nix
+++ b/pkgs/development/python-modules/marshmallow/default.nix
@@ -1,10 +1,11 @@
 { lib, buildPythonPackage, fetchPypi,
-  dateutil, simplejson
+  dateutil, simplejson, isPy27
 }:
 
 buildPythonPackage rec {
   pname = "marshmallow";
   version = "3.3.0";
+  disabled = isPy27;
 
   meta = {
     homepage = "https://github.com/marshmallow-code/marshmallow";