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

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tests/ptable/test_ptable_projector.py

@@ -117,7 +117,7 @@ def test_add_element_type_legend_data_types(
         assert len(legend.get_texts()) in {1, 2}
         legend_labels = {text.get_text() for text in legend.get_texts()}
         assert legend_labels <= {"Transition Metal", "Alkali Metal", "Nonmetal"}
-        assert legend._ncols == 5  # noqa: SLF001
+        assert legend._ncols == 5
 
         assert legend.get_title().get_text() == legend_title
         assert legend.get_texts()[0].get_fontsize() == 12