From eb337f6440da3d9aaedf6ba92674c283ca34e2e2 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Wed, 29 Dec 2021 13:09:56 -0500
Subject: [PATCH] Also use PEP 517 to build things like pytest-virtualenv.

---
 .github/workflows/main.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d9e219ae34..60d0794885 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -5,6 +5,7 @@ on: [push, pull_request]
 env:
   # pypa/distutils#99
   VIRTUALENV_NO_SETUPTOOLS: 1
+  PIP_USE_PEP517: 1
 
 jobs:
   test: