From f67b81ecbd883b663257b3eb8b4e142bada8af51 Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Mon, 22 Jun 2020 15:35:16 +0200
Subject: [PATCH] freecad: use python 3.7

PySide2 5.12 is broken under Python 3.8.
---
 pkgs/top-level/all-packages.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ba020635053..e3844d82284 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19860,7 +19860,11 @@ in
 
   fractal = callPackage ../applications/networking/instant-messengers/fractal { };
 
-  freecad = qt5.callPackage ../applications/graphics/freecad { mpi = openmpi; };
+  freecad = qt5.callPackage ../applications/graphics/freecad {
+    mpi = openmpi;
+    # pyside2 5.12 is broken under python 3.8
+    python3Packages = python37Packages;
+  };
 
   freemind = callPackage ../applications/misc/freemind { };