diff --git a/tests/unit/test_librouteros.py b/tests/unit/test_librouteros.py
index 9f3c68a..3b0e9fa 100644
--- a/tests/unit/test_librouteros.py
+++ b/tests/unit/test_librouteros.py
@@ -20,7 +20,7 @@
 
 def test_default_ssl_wrapper():
     """Assert that wrapper returns same object as it was called with."""
-    assert SYNC_DEFAULTS['ssl_wrapper'](int) is int
+    assert SYNC_DEFAULTS["ssl_wrapper"](int) is int
 
 
 @pytest.mark.parametrize(