From 2dfd94ac4a5440fc3c2ff2ff69ddd8a28458021e Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Wed, 27 Nov 2019 22:32:47 +0100
Subject: [PATCH] gnome-keysign: stop requiring lxml

Required to build with BabelGladeExtractor 0.6.1.
---
 pkgs/tools/security/gnome-keysign/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/tools/security/gnome-keysign/default.nix b/pkgs/tools/security/gnome-keysign/default.nix
index 2c216c0a404..a559039d95a 100644
--- a/pkgs/tools/security/gnome-keysign/default.nix
+++ b/pkgs/tools/security/gnome-keysign/default.nix
@@ -28,6 +28,14 @@ python3.pkgs.buildPythonApplication rec {
       url = "https://gitlab.gnome.org/GNOME/gnome-keysign/commit/216c3677e68960afc517edc00529323e85909323.patch";
       sha256 = "1w410gvcridbq26sry7fxn49v59ss2lc0w5ab7csva8rzs1nc990";
     })
+
+    # stop requiring lxml (no longer used)
+    # https://gitlab.gnome.org/GNOME/gnome-keysign/merge_requests/23
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/gnome-keysign/commit/ffc6f40584d7564951e1c8b6d18d4f8a6a3fa09d.patch";
+      sha256 = "1hs6mmhi2f21kvy26llzvp37yf0i0dr69d18r641139nr6qg6kwy";
+      includes = [ "setup.py" ];
+    })
   ];
 
   nativeBuildInputs = [