Format Python code with Ruff

Author: IsaacCheng9

tests/test_boruvka.py

@@ -75,9 +75,9 @@ def test_mst(setup_graph: Graph):
     ]
 
     assert mst_weight == expected_weight, "MST weight does not match expected value"
-    assert sorted(mst_edges) == sorted(
-        expected_edges
-    ), "MST edges do not match expected edges"
+    assert sorted(mst_edges) == sorted(expected_edges), (
+        "MST edges do not match expected edges"
+    )
 
 
 def test_graph_initialization():