From 2f76e57f6a40b5e6e98fe5df99d4dca2fbfeeb01 Mon Sep 17 00:00:00 2001
From: "Robert T. McGibbon" <rmcgibbo@gmail.com>
Date: Mon, 10 Jan 2022 16:05:54 -0500
Subject: [PATCH] python3Packages.trio: fix python310 by not treating
 deprecation warnings as errors in tests

---
 pkgs/development/python-modules/trio/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/python-modules/trio/default.nix b/pkgs/development/python-modules/trio/default.nix
index 0e95da38eaea..e667f146afc0 100644
--- a/pkgs/development/python-modules/trio/default.nix
+++ b/pkgs/development/python-modules/trio/default.nix
@@ -37,6 +37,10 @@ buildPythonPackage rec {
     "fallback_when_no_hook_claims_it"
   ];
 
+  pytestFlagsArray = [
+    "-W" "ignore::DeprecationWarning"
+  ];
+
   propagatedBuildInputs = [
     attrs
     sortedcontainers