diff --git a/tests/test_backend_random.py b/tests/test_backend_random.py
index 567e09dc1..f4b213814 100644
--- a/tests/test_backend_random.py
+++ b/tests/test_backend_random.py
@@ -94,7 +94,8 @@ def test_multinomial_accepts_python_probability_sequence(self):
         self.assertEqual(int(pyrecest.backend.sum(sample)), 12)
 
     @unittest.skipIf(
-        pyrecest.backend.__backend_name__ != "jax", "JAX-specific multinomial size support"
+        pyrecest.backend.__backend_name__ != "jax",
+        "JAX-specific multinomial size support",
     )
     def test_jax_multinomial_accepts_size_argument(self):
         samples = random.multinomial(5, [0.25, 0.75], size=(2, 3))
@@ -127,7 +128,8 @@ def test_jax_random_rejects_invalid_size_arguments(self):
                         random_call(invalid_size)
 
     @unittest.skipIf(
-        pyrecest.backend.__backend_name__ != "jax", "JAX-specific multinomial validation"
+        pyrecest.backend.__backend_name__ != "jax",
+        "JAX-specific multinomial validation",
     )
     def test_jax_multinomial_rejects_invalid_trial_count(self):
         for invalid_n in (True, 1.5, -1):