Merge branch 'main' into fix-37

Author: daniel-sanche

.github/workflows/unittest.yml

@@ -1,7 +1,25 @@
+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 on:
   pull_request:
     branches:
       - main
+
+permissions:
+  contents: read
+  
 name: unittest
 jobs:
   unit:

google/auth/_default.py

@@ -17,13 +17,11 @@
 Implements application default credentials and project ID detection.
 """
 from __future__ import annotations
-
-from typing import Sequence
 import io
 import json
 import logging
 import os
-from typing import Optional, TYPE_CHECKING
+from typing import Optional, Sequence, TYPE_CHECKING
 import warnings
 
 from google.auth import environment_vars