From e9934f540415415660cb3b7e2c4a5f3f44bdd495 Mon Sep 17 00:00:00 2001
From: codgician <15964984+codgician@users.noreply.github.com>
Date: Sat, 26 Sep 2026 15:29:17 +0800
Subject: [PATCH] fix(github-copilot): use lazy logging for rejected API bases

---
 litellm/llms/github_copilot/authenticator.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/litellm/llms/github_copilot/authenticator.py b/litellm/llms/github_copilot/authenticator.py
index 71e43f923bf..2a832b26c35 100644
--- a/litellm/llms/github_copilot/authenticator.py
+++ b/litellm/llms/github_copilot/authenticator.py
@@ -111,7 +111,8 @@ class Authenticator:
             if _is_secure_api_base(candidate):
                 return candidate
             verbose_logger.warning(
-                f"Ignoring {source} because it must be an HTTPS URL without credentials, query, or fragment"
+                "Ignoring %s because it must be an HTTPS URL without credentials, query, or fragment",
+                source,
             )
         return None