From c243eb2aca4bad539eb57a24216d1cdbc7be906d Mon Sep 17 00:00:00 2001
From: tarilabs <matteo.mortari@gmail.com>
Date: Sat, 6 Jul 2024 22:35:57 +0200
Subject: [PATCH] guard as headers is Optional

Signed-off-by: tarilabs <matteo.mortari@gmail.com>
---
 oras/provider.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/oras/provider.py b/oras/provider.py
index 4e45088..6caba9b 100644
--- a/oras/provider.py
+++ b/oras/provider.py
@@ -928,7 +928,7 @@ def do_request(
         :type stream: bool
         """
         # Make the request and return to calling function, but attempt to use auth token if previously obtained
-        if isinstance(self.auth, oras.auth.TokenAuth):
+        if headers is not None and isinstance(self.auth, oras.auth.TokenAuth):
             headers.update(self.auth.get_auth_header())
         response = self.session.request(
             method,