diff --git a/pyomo/contrib/solver/ipopt.py b/pyomo/contrib/solver/ipopt.py
index 469b964b5cf..dc632adb184 100644
--- a/pyomo/contrib/solver/ipopt.py
+++ b/pyomo/contrib/solver/ipopt.py
@@ -76,8 +76,7 @@ def __init__(
             ),
         )
         self.writer_config: ConfigDict = self.declare(
-            'writer_config',
-            NLWriter.CONFIG(),
+            'writer_config', NLWriter.CONFIG()
         )
 
 
diff --git a/pyomo/contrib/solver/tests/solvers/test_solvers.py b/pyomo/contrib/solver/tests/solvers/test_solvers.py
index 3b979c6f693..a4f4a3bc389 100644
--- a/pyomo/contrib/solver/tests/solvers/test_solvers.py
+++ b/pyomo/contrib/solver/tests/solvers/test_solvers.py
@@ -1547,9 +1547,7 @@ def test_presolve_with_zero_coef(
             exp = TerminationCondition.provenInfeasible
         else:
             exp = TerminationCondition.locallyInfeasible
-        self.assertEqual(
-            res.termination_condition, exp
-        )
+        self.assertEqual(res.termination_condition, exp)
 
         m = pe.ConcreteModel()
         m.w = pe.Var()
@@ -1573,9 +1571,7 @@ def test_presolve_with_zero_coef(
         res = opt.solve(
             m, load_solutions=False, raise_exception_on_nonoptimal_result=False
         )
-        self.assertEqual(
-            res.termination_condition, exp
-        )
+        self.assertEqual(res.termination_condition, exp)
 
     @parameterized.expand(input=_load_tests(all_solvers))
     def test_scaling(self, name: str, opt_class: Type[SolverBase], use_presolve: bool):