From f910bbac74cabd8fc9233250b725d7f995eec4c3 Mon Sep 17 00:00:00 2001
From: Clark Boylan <clark.boylan@gmail.com>
Date: Fri, 21 Apr 2023 13:39:52 -0700
Subject: [PATCH] Pin virtualenv in tox environments

Virtualenv 20.22.0 dropped support for python<=3.6 (including 2.7). We
still want to run tests under 2.7. Work around this by capping off
virtualenv in tox's requires list.

Change-Id: I4868cd5a8a958f04ac782e0963c52a118b2f5ebf
---
 tox.ini | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tox.ini b/tox.ini
index f6ef3aa36..c67abc8bf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,6 +3,9 @@ minversion = 1.6
 skipsdist = True
 envlist = linters
 ignore_basepython_conflict = True
+# Necessary for python 2.7 support
+requires =
+  virtualenv<20.22.0
 
 [testenv]
 basepython = python3