diff --git a/python/mlcroissant/mlcroissant/_src/operation_graph/operations/field.py b/python/mlcroissant/mlcroissant/_src/operation_graph/operations/field.py
index 71b3e464..5fd112db 100644
--- a/python/mlcroissant/mlcroissant/_src/operation_graph/operations/field.py
+++ b/python/mlcroissant/mlcroissant/_src/operation_graph/operations/field.py
@@ -230,9 +230,8 @@ def _get_result(row):
                     value = None
                 elif is_repeated:
                     value = [
-                            _cast_value(self.node.ctx, v, field.data_type)
-                            for v in value
-                        ]
+                        _cast_value(self.node.ctx, v, field.data_type) for v in value
+                    ]
                 else:
                     value = _cast_value(self.node.ctx, value, field.data_type)