From 0f50d5ac1962981fca7622d3f45f8cd9a2b9a1f2 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Fri, 24 Nov 2017 20:14:28 +0100
Subject: [PATCH] python.pkgs.trollius: use optionals instead of optional,
 fixes eval for neovim

Eval of neovim was broken at
https://github.com/NixOS/nixpkgs/commit/40851a4d26daabf1613c9a79e638aaf9f94b476c#commitcomment-25817374.
---
 pkgs/development/python-modules/trollius/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/python-modules/trollius/default.nix b/pkgs/development/python-modules/trollius/default.nix
index ef367c3525d3..7b61633a7fc7 100644
--- a/pkgs/development/python-modules/trollius/default.nix
+++ b/pkgs/development/python-modules/trollius/default.nix
@@ -13,7 +13,7 @@ buildPythonPackage rec {
 
   buildInputs = [ mock ];
 
-  propagatedBuildInputs = lib.optional (isPy27 || isPyPy) [ futures ];
+  propagatedBuildInputs = lib.optionals (isPy27 || isPyPy) [ futures ];
 
   patches = [
     ./tests.patch