diff --git a/test_runner/regress/test_gc_old_layers.py b/test_runner/regress/test_gc_old_layers.py
index b54aad01d8..91e11a3a19 100644
--- a/test_runner/regress/test_gc_old_layers.py
+++ b/test_runner/regress/test_gc_old_layers.py
@@ -2,6 +2,7 @@ import pytest
 from fixtures.log_helper import log
 from fixtures.neon_fixtures import NeonEnvBuilder
 
+
 #
 # Test that GC is able to collect all old layers even if them are forming
 # "stairs" and there are not three delta layers since last image layer.