diff --git a/mathics/builtin/testing_expressions/equality_inequality.py b/mathics/builtin/testing_expressions/equality_inequality.py
index bf339dcc7..9b193f7f1 100644
--- a/mathics/builtin/testing_expressions/equality_inequality.py
+++ b/mathics/builtin/testing_expressions/equality_inequality.py
@@ -253,7 +253,6 @@ def eval_other(self, args, evaluation):
 
 
 class _MinMax(Builtin):
-
     attributes = (
         A_FLAT | A_NUMERIC_FUNCTION | A_ONE_IDENTITY | A_ORDERLESS | A_PROTECTED
     )
diff --git a/mathics/builtin/testing_expressions/list_oriented.py b/mathics/builtin/testing_expressions/list_oriented.py
index 1f7480690..bc61c0491 100644
--- a/mathics/builtin/testing_expressions/list_oriented.py
+++ b/mathics/builtin/testing_expressions/list_oriented.py
@@ -39,7 +39,7 @@ class ArrayQ(Builtin):
      = False
     >> ArrayQ[{{a, b}, {c, d}}, 2, SymbolQ]
      = True
-     
+
     ArrayQ works on sparse arrays:
     >> ArrayQ[SparseArray[{{1, 2} -> a, {2, 1} -> b}]]
      = True