style: apply automated linter fixes

tests/safeds/ml/classical/classification/test_decision_tree.py

@@ -58,7 +58,7 @@ def test_should_check_that_plot_image_is_same_as_plt_figure(
         snapshot_png_image: SnapshotAssertion,
     ) -> None:
         skip_if_os([os_mac, os_linux])
-        
+
         fitted_model = DecisionTreeClassifier().fit(training_set)
         image = fitted_model.plot()
         assert image == snapshot_png_image