From 767717be0afce3bbc407408cfe8d5135786a6e35 Mon Sep 17 00:00:00 2001
From: begininvoke <56797886+begininvoke@users.noreply.github.com>
Date: Wed, 19 Aug 2026 10:29:20 -0700
Subject: [PATCH] fix(security): the `encoding` argument to Popen is only
 available on Python 3.6+

---
 cloudlab/bin/switch.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cloudlab/bin/switch.py b/cloudlab/bin/switch.py
index 777d7c2b..a73f52fa 100755
--- a/cloudlab/bin/switch.py
+++ b/cloudlab/bin/switch.py
@@ -24,7 +24,7 @@ def __init__(self, verbose=False):
         self.ssh = subprocess.Popen(["ssh", "-T", "-p", "51295",
                 "-o", "HostKeyAlgorithms=+ssh-rsa",
                 "-o", "PubkeyAcceptedKeyTypes=+ssh-rsa", "admin@localhost"],
-                encoding="utf-8", stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+                universal_newlines=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
                 stderr=subprocess.STDOUT)
         fl = fcntl.fcntl(self.ssh.stdout, fcntl.F_GETFL)
         fcntl.fcntl(self.ssh.stdout, fcntl.F_SETFL, fl | os.O_NONBLOCK)