diff --git a/narwhals/_arrow/namespace.py b/narwhals/_arrow/namespace.py
index ed86e3f93..c7c949738 100644
--- a/narwhals/_arrow/namespace.py
+++ b/narwhals/_arrow/namespace.py
@@ -81,7 +81,7 @@ def _create_series_from_scalar(self, value: Any, series: ArrowSeries) -> ArrowSe
             backend_version=self._backend_version,
         )
 
-    def _create_native_series(self, value: Any) -> Any:
+    def _create_native_series(self, value: Any) -> Any:  # pragma: no cover (todo!)
         pa = get_pyarrow()
         return pa.chunked_array([value])