diff --git a/litellm/google_genai/main.py b/litellm/google_genai/main.py
index db1a11341fb..25d7de9f710 100644
--- a/litellm/google_genai/main.py
+++ b/litellm/google_genai/main.py
@@ -199,10 +199,7 @@ class GenerateContentHelper:
 
         explicit_vertex_location: Final = VertexBase.explicit_vertex_ai_location(
             MappingProxyType(
-                {
-                    key: getattr(litellm_params, key, None)
-                    for key in ("vertex_location", "vertex_ai_location")
-                }
+                {key: getattr(litellm_params, key, None) for key in ("vertex_location", "vertex_ai_location")}
             )
         )
         vertex_location_params: Final = (
diff --git a/tests/unit/google_genai/test_google_genai_main.py b/tests/unit/google_genai/test_google_genai_main.py
index 275264e2542..31e2f56092c 100644
--- a/tests/unit/google_genai/test_google_genai_main.py
+++ b/tests/unit/google_genai/test_google_genai_main.py
@@ -262,7 +262,7 @@ async def test_native_fields_forwarded_on_async_stream():
 
 
 def _generate_content_logging_obj(call_id: str):
-    from datetime import datetime
+    from datetime import datetime, timezone
 
     from litellm.litellm_core_utils.litellm_logging import Logging
 
@@ -271,7 +271,7 @@ def _generate_content_logging_obj(call_id: str):
         messages=[],
         stream=False,
         call_type="generate_content",
-        start_time=datetime(2025, 1, 1),
+        start_time=datetime(2025, 1, 1, tzinfo=timezone.utc),
         litellm_call_id=call_id,
         function_id=call_id,
     )