From f407e4d4ade4d3ccf484fdc885706b55ea44ce5e Mon Sep 17 00:00:00 2001
From: Ben Wolsieffer <benwolsieffer@gmail.com>
Date: Wed, 24 Nov 2021 17:08:04 -0500
Subject: [PATCH] rqt-gui: include patch to fix compatibility with Python 3.9

---
 distros/distro-overlay.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/distros/distro-overlay.nix b/distros/distro-overlay.nix
index 9071eff8f5..56d767122d 100644
--- a/distros/distro-overlay.nix
+++ b/distros/distro-overlay.nix
@@ -286,8 +286,16 @@ let
     });
 
     rqt-gui = rosSuper.rqt-gui.overrideAttrs ({
-      nativeBuildInputs ? [], ...
+      patches ? [], nativeBuildInputs ? [], ...
     }: {
+      # Fix usage of removed ElementTree.getiterator() method
+      # https://github.com/ros-visualization/rqt/pull/241
+      patches = patches ++ [ (self.fetchpatch {
+        url = "https://github.com/ros-visualization/rqt/commit/aaf8da523b32307ad906e48fa977eff1779b0154.patch";
+        stripLen = 1;
+        sha256 = "1p2rh2l74plq5aa319mxgi0hqm2if0qk3mr5fz8zif1zpgz4wvh3";
+      }) ];
+
       dontWrapQtApps = false;
       nativeBuildInputs = nativeBuildInputs ++ [ self.qt5.wrapQtAppsHook ];
       postFixup = ''