From 1697051b339f21bc404ba25794a2b20fdf2f9301 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Wed, 3 Jan 2024 03:03:39 +0100
Subject: [PATCH] python39Packages.typeguard: fix build on python<3.10

---
 pkgs/development/python-modules/typeguard/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/python-modules/typeguard/default.nix b/pkgs/development/python-modules/typeguard/default.nix
index 23e3bdc5b546..c2eaf3889bf8 100644
--- a/pkgs/development/python-modules/typeguard/default.nix
+++ b/pkgs/development/python-modules/typeguard/default.nix
@@ -6,6 +6,7 @@
 , setuptools-scm
 , pytestCheckHook
 , typing-extensions
+, importlib-metadata
 , sphinxHook
 , sphinx-autodoc-typehints
 , sphinx-rtd-theme
@@ -40,6 +41,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [
     typing-extensions
+  ] ++ lib.optionals (pythonOlder "3.10") [
+    importlib-metadata
   ];
 
   env.LC_ALL = "en_US.utf-8";