diff --git a/cvp_checks/fixtures/base.py b/cvp_checks/fixtures/base.py
index 85313d0..96abad9 100644
--- a/cvp_checks/fixtures/base.py
+++ b/cvp_checks/fixtures/base.py
@@ -8,6 +8,7 @@
 
 nodes = utils.calculate_groups()
 
+
 @pytest.fixture(scope='session', params=nodes.values(), ids=nodes.keys())
 def nodes_in_group(request):
     return request.param