From 793c6ef01a9480050a6d70a22b7766b7ff730f0e Mon Sep 17 00:00:00 2001
From: Greg Cox <gcox@mozilla.com>
Date: Fri, 17 Feb 2023 17:46:07 +0000
Subject: [PATCH] Change an f-string to .format to restore py2.7 compatibility

---
 duo_client/client.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/duo_client/client.py b/duo_client/client.py
index 8f2688d..54d365f 100644
--- a/duo_client/client.py
+++ b/duo_client/client.py
@@ -303,7 +303,7 @@ def api_call(
                 body = ''
                 params = normalize_params(params)
         else:
-            raise ValueError(f"unsupported sig_version {sig_version}")
+            raise ValueError('unsupported sig_version {}'.format(sig_version))
 
         if self.sig_timezone == 'UTC':
             now = email.utils.formatdate()