diff --git a/tests/test_layers/test_3d/checks_3d/common.py b/tests/test_layers/test_3d/checks_3d/common.py
index 43a04f649..32ab63711 100644
--- a/tests/test_layers/test_3d/checks_3d/common.py
+++ b/tests/test_layers/test_3d/checks_3d/common.py
@@ -16,3 +16,4 @@ def check_equal(A, B):
     eq = torch.allclose(A, B, rtol=1e-3, atol=1e-2)
     assert eq
     return eq
+