From 2aa6f8274e1ea05df4c28d79950b86d7f4488627 Mon Sep 17 00:00:00 2001
From: Brad Warren <bmw@eff.org>
Date: Tue, 30 Apr 2019 11:19:10 -0700
Subject: [PATCH] Unset CERTBOT_OLDEST in release script.

---
 tools/_release.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/_release.sh b/tools/_release.sh
index 7751f15b9..e228bae99 100755
--- a/tools/_release.sh
+++ b/tools/_release.sh
@@ -109,6 +109,9 @@ SetVersion() {
 
 SetVersion "$version"
 
+# Unset CERTBOT_OLDEST to prevent wheels from being built improperly due to
+# conditionals like the one found in certbot-dns-dnsimple's setup.py file.
+unset CERTBOT_OLDEST
 echo "Preparing sdists and wheels"
 for pkg_dir in . $SUBPKGS_NO_CERTBOT
 do