add

Author: mayinghan

tests/data_loader/test_data_loader_stable_row_id.py

@@ -19,4 +19,4 @@ def test_data_loader_stable_row_id_with_same_content(rows: List[EvaluationRow])
         row_ids.add(row.input_metadata.row_id)
         row.evaluation_result = EvaluateResult(score=0.0, reason="Dummy evaluation result")
     assert len(row_ids) == 2
-    return rows
+    return rows