From da2b4c01b31db1d1596b9c419c86aabd14d2666d Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Sun, 16 Jan 2022 16:10:55 +0100
Subject: [PATCH] python3Packages.tqdm: test with explicit async_mode

---
 pkgs/development/python-modules/tqdm/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/python-modules/tqdm/default.nix b/pkgs/development/python-modules/tqdm/default.nix
index 606308f88967..3973d68b6c38 100644
--- a/pkgs/development/python-modules/tqdm/default.nix
+++ b/pkgs/development/python-modules/tqdm/default.nix
@@ -37,6 +37,11 @@ buildPythonPackage rec {
     # pandas is not supported on i686 or risc-v
     lib.optional (!stdenv.isi686 && !stdenv.hostPlatform.isRiscV) pandas;
 
+  pytestFlagsArray = [
+    # pytest-asyncio 0.17.0 compat; https://github.com/tqdm/tqdm/issues/1289
+    "--asyncio-mode=strict"
+  ];
+
   # Remove performance testing.
   # Too sensitive for on Hydra.
   disabledTests = [