https://github.com/kislyuk/argcomplete/pull/406

From e6682b3e3e0c7882a3b93df2f0e466ef001d37e4 Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 5 Mar 2023 08:14:10 +0000
Subject: [PATCH] setup.py: exclude test.* subpackages from find_packages too

Otherwise, test.test_package will be picked up when installing via
PEP517.

Bug: https://bugs.gentoo.org/899628
Signed-off-by: Sam James <sam@gentoo.org>
--- a/setup.py
+++ b/setup.py
@@ -33,7 +33,7 @@ setup(
         ':python_version == "3.6"': importlib_backport_requires,
         ':python_version == "3.7"': importlib_backport_requires,
     },
-    packages=find_packages(exclude=["test"]),
+    packages=find_packages(exclude=["test", "test.*"]),
     scripts=glob.glob("scripts/*"),
     package_data={"argcomplete": ["bash_completion.d/python-argcomplete"]},
     zip_safe=False,
-- 
2.39.2