style(api-core): format code with ruff

Author: hebaalazzeh

packages/google-api-core/google/api_core/gapic_v1/client_utils.py

@@ -77,10 +77,14 @@ def should_use_mtls_endpoint(client_cert_available: bool) -> bool:
     otherwise falls back to evaluation of GOOGLE_API_USE_MTLS_ENDPOINT.
     """
     if hasattr(google.auth.transport.mtls, "should_use_mtls_endpoint"):
-        return google.auth.transport.mtls.should_use_mtls_endpoint(client_cert_available)
+        return google.auth.transport.mtls.should_use_mtls_endpoint(
+            client_cert_available
+        )
 
     # Fallback logic for older google-auth versions
-    use_mtls_endpoint = os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto").strip().lower()
+    use_mtls_endpoint = (
+        os.getenv("GOOGLE_API_USE_MTLS_ENDPOINT", "auto").strip().lower()
+    )
     if use_mtls_endpoint == "always":
         return True
     elif use_mtls_endpoint == "never":

packages/google-api-core/tests/unit/gapic/test_client_utils.py

@@ -193,7 +193,9 @@ def test_get_api_endpoint(
     default_endpoint_template,
     expected,
 ):
-    with mock.patch.dict(os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": use_mtls_endpoint}):
+    with mock.patch.dict(
+        os.environ, {"GOOGLE_API_USE_MTLS_ENDPOINT": use_mtls_endpoint}
+    ):
         if isinstance(expected, type) and issubclass(expected, Exception):
             with pytest.raises(expected):
                 get_api_endpoint(