From dbc6c2be3f8281d794de87651e2e2c27c48b6b42 Mon Sep 17 00:00:00 2001
From: Rok Garbas <rok@garbas.si>
Date: Tue, 1 Sep 2015 11:09:35 +0200
Subject: [PATCH] pythonPackages: fix pyutil on pypy platform

---
 pkgs/top-level/python-packages.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index af3e24aff9d..603adab4f0f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11756,6 +11756,10 @@ let
     # package, apparently some kind of plugin.
     doCheck = false;
 
+    prePatch = optionalString isPyPy ''
+      grep -rl 'utf-8-with-signature-unix' ./ | xargs sed -i -e "s|utf-8-with-signature-unix|utf-8|g"
+    '';
+
     meta = {
       description = "Pyutil, a collection of mature utilities for Python programmers";