diff --git a/apps/api/tests/test_guest_auth.py b/apps/api/tests/test_guest_auth.py
index 2765d531..dc2c4c3c 100644
--- a/apps/api/tests/test_guest_auth.py
+++ b/apps/api/tests/test_guest_auth.py
@@ -42,7 +42,9 @@ def test_can_validate_key() -> None:
 async def test_get_existing_unexpired_key(mock_mongodb_retrieve_one: AsyncMock) -> None:
     """Test that existing, unexpired guest authorization key can be retrieved."""
     iat = datetime(2024, 1, 11)
-    exp = datetime(2025, 7, 1, tzinfo=timezone.utc)  # update expire date for this test to not fail :)
+    exp = datetime(
+        2025, 7, 1, tzinfo=timezone.utc
+    )  # update expire date for this test to not fail :)
     # this test will fail next year :P
     mock_mongodb_retrieve_one.return_value = {
         "guest_auth": {"iat": iat, "exp": exp, "key": "some-key"}