diff --git a/tests/conftest.py b/tests/conftest.py
index e20460eb..f06911b4 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,14 +1,14 @@
-
 import os
 import numpy as np
 import random
 
 import pytest
 
+
 @pytest.fixture(autouse=True)
 def seed_random():
-    init1 = random.SystemRandom().randrange(0, 2**32)
-    init2 = random.SystemRandom().randrange(0, 2**32)
+    init1 = random.SystemRandom().randrange(0, 2 ** 32)
+    init2 = random.SystemRandom().randrange(0, 2 ** 32)
     print(f"Ranom seeds: random.seed({init1}); np.random.seed({init2})")
     random.seed(init1)
     np.random.seed(init2)