From 1c7acb09fa50b122ba6df52da2bc03e2aa0450d8 Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Mon, 4 Jun 2018 04:06:09 +0000
Subject: [PATCH] python.pkgs.trustme: fix python2 build

---
 pkgs/development/python-modules/trustme/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/trustme/default.nix b/pkgs/development/python-modules/trustme/default.nix
index 0c3ccb5258e7..db966ed4421e 100644
--- a/pkgs/development/python-modules/trustme/default.nix
+++ b/pkgs/development/python-modules/trustme/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, cryptography, pytest, pyopenssl, service-identity }:
+{ lib, buildPythonPackage, fetchPypi, isPy3k, cryptography, futures, pytest, pyopenssl, service-identity }:
 
 buildPythonPackage rec {
   pname = "trustme";
@@ -15,6 +15,8 @@ buildPythonPackage rec {
   '';
   propagatedBuildInputs = [
     cryptography
+  ] ++ lib.optionals (!isPy3k) [
+    futures
   ];
 
   meta = {