From 7c61ce0e34d5394cd27d2e80edcb88abf531abbf Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Mon, 10 Aug 2020 12:37:47 +0000
Subject: [PATCH] libxml2Python: fix propagated inputs

Partially reverts 6a359b2333d626ab7053605dcc5b56b9668665f7

Fixes build of gnome-doc-utils and others in
https://hydra.nixos.org/eval/1604922#tabs-now-fail
---
 pkgs/top-level/all-packages.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 10227d8ff10..ca524740029 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13938,7 +13938,9 @@ in
     python = python3;
   };
 
-  libxml2Python = pkgs.buildEnv { # slightly hacky
+  libxml2Python = let
+    libxml2 = python2Packages.libxml2;
+  in pkgs.buildEnv { # slightly hacky
     name = "libxml2+py-${res.libxml2.version}";
     paths = with libxml2; [ dev bin py ];
     inherit (libxml2) passthru;