From 08bf6bfc8b5cbada3ac1132725a2dce2339dc6e2 Mon Sep 17 00:00:00 2001
From: joncrall <jon.crall@kitware.com>
Date: Thu, 23 Jun 2022 11:03:09 -0400
Subject: [PATCH] Fix bad fmtstring

---
 cibuildwheel/docker_container.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cibuildwheel/docker_container.py b/cibuildwheel/docker_container.py
index ff57b78d..02636061 100644
--- a/cibuildwheel/docker_container.py
+++ b/cibuildwheel/docker_container.py
@@ -172,7 +172,7 @@ class DockerContainer:
         else:
             with subprocess.Popen(
                 [
-                    "{self.container_engine}",
+                    self.container_engine,
                     "exec",
                     "-i",
                     str(self.name),