[pre-commit.ci] auto fixes from pre-commit.com hooks

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tests/unit/bm3dornl/test_bm3d_ring_artifact_removal_ms.py

@@ -7,6 +7,7 @@
 size_x = 256
 size_y = 256
 
+
 @pytest.fixture
 def setup_sinogram():
     return np.random.rand(size_x, size_y)