From 2a1edad716639bb25e974596dc8844237b99fd77 Mon Sep 17 00:00:00 2001
From: Joe Rickerby <joerick@mac.com>
Date: Fri, 24 Nov 2023 17:57:08 +0000
Subject: [PATCH] Backslashes in Windows paths mess with CIBW_ENVIRONMENT
 string parsing

---
 test/test_environment.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test_environment.py b/test/test_environment.py
index f7a31b16..faaba7f3 100644
--- a/test/test_environment.py
+++ b/test/test_environment.py
@@ -135,7 +135,7 @@ def test_overridden_pip_constraint(tmp_path, build_frontend):
         add_env={
             "CIBW_BUILD": "cp312-*",
             "CIBW_BUILD_FRONTEND": build_frontend,
-            "CIBW_ENVIRONMENT": f"PIP_CONSTRAINT={constraints_file}",
+            "PIP_CONSTRAINT": str(constraints_file),
             "CIBW_ENVIRONMENT_LINUX": "PIP_CONSTRAINT=./constraints.txt",
         },
     )