diff --git a/mathics/builtin/testing_expressions/list_oriented.py b/mathics/builtin/testing_expressions/list_oriented.py
index ef8cd5a10..bc61c0491 100644
--- a/mathics/builtin/testing_expressions/list_oriented.py
+++ b/mathics/builtin/testing_expressions/list_oriented.py
@@ -8,9 +8,9 @@
 from mathics.core.exceptions import InvalidLevelspecError
 from mathics.core.expression import Expression
 from mathics.core.symbols import Atom, SymbolFalse, SymbolTrue
-from mathics.core.systemsymbols import SymbolSubsetQ  # , SymbolSparseArray
+from mathics.core.systemsymbols import SymbolSparseArray, SymbolSubsetQ
 from mathics.eval.parts import python_levelspec
-from mathics.eval.testing_expressions import check_ArrayQ  # , check_SparseArrayQ
+from mathics.eval.testing_expressions import check_ArrayQ, check_SparseArrayQ
 
 
 class ArrayQ(Builtin):