From 6da71c7abc36cf97bf57f4d9c5d06a8f849cc98f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?=
 <robert.schuetz@stud.uni-heidelberg.de>
Date: Thu, 10 Jan 2019 16:38:58 +0100
Subject: [PATCH] python.pkgs.hpack: fix build

---
 pkgs/development/python-modules/hpack/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/python-modules/hpack/default.nix b/pkgs/development/python-modules/hpack/default.nix
index a10882417fc..7e7db13aaec 100644
--- a/pkgs/development/python-modules/hpack/default.nix
+++ b/pkgs/development/python-modules/hpack/default.nix
@@ -1,6 +1,7 @@
 { stdenv
 , buildPythonPackage
 , fetchPypi
+, glibcLocales
 }:
 
 buildPythonPackage rec {
@@ -12,6 +13,10 @@ buildPythonPackage rec {
     sha256 = "8eec9c1f4bfae3408a3f30500261f7e6a65912dc138526ea054f9ad98892e9d2";
   };
 
+  buildInputs = [ glibcLocales ];
+
+  LANG = "en_US.UTF-8";
+
   meta = with stdenv.lib; {
     description = "Pure-Python HPACK header compression";
     homepage = "http://hyper.rtfd.org";