From 54b7b1883e90a25cd7757f47b770f09f1cc3ac52 Mon Sep 17 00:00:00 2001
From: Erica Portnoy <ebportnoy@gmail.com>
Date: Wed, 27 Mar 2024 16:27:42 -0700
Subject: [PATCH] use legacy editable mode for oldest tests

---
 tox.ini | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tox.ini b/tox.ini
index 24a5b0ff5..a1512a05d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -71,6 +71,7 @@ commands = {[testenv:py]commands}
 # tools/pinning/oldest/pyproject.toml.
 basepython = python3.8
 setenv = CERTBOT_OLDEST=1
+package = editable-legacy
 commands = {[testenv:py]commands}
 
 [testenv:cover]