Added newlines to comply with linting rules.

Author: david-sh-csiro

tests/conventions/test_cfgrid2d.py

@@ -479,12 +479,14 @@ def test_values() -> None:
     # The values should be in a specific order
     assert numpy.allclose(values, eta.values.ravel(), equal_nan=True)
 
+
 def test_topology_with_missing_variable_standard_name() -> None:
     # Basic test showing no error when variable has no standard name
     dataset = make_dataset(j_size=10, i_size=20, corner_size=5, time_size=3)
     del dataset['botz'].attrs['standard_name']
     dataset.ems.topology
 
+
 @pytest.mark.matplotlib
 def test_plot_on_figure() -> None:
     # Not much to test here, mostly that it doesn't throw an error