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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/test_collectors.py

@@ -343,9 +343,9 @@ def test_to_roman_comprehensive(self, collector):
         ]
         for num, expected in test_cases:
             result = collector._TocTreeCollectorWithStyles__to_roman(num)
-            assert (
-                result == expected
-            ), f"Failed for {num}: got {result}, expected {expected}"
+            assert result == expected, (
+                f"Failed for {num}: got {result}, expected {expected}"
+            )
 
     def test_to_alpha_comprehensive(self, collector):
         """Test alphabetical conversion comprehensively."""
@@ -364,9 +364,9 @@ def test_to_alpha_comprehensive(self, collector):
         ]
         for num, expected in test_cases:
             result = collector._TocTreeCollectorWithStyles__to_alpha(num)
-            assert (
-                result == expected
-            ), f"Failed for {num}: got {result}, expected {expected}"
+            assert result == expected, (
+                f"Failed for {num}: got {result}, expected {expected}"
+            )
 
     def test_disable_builtin_multiple_collectors(self):
         """Test disabling with multiple collectors in memory."""