fixed number empty lines

Author: randolf-scholz

Lib/test/test_patma.py

@@ -2972,7 +2972,6 @@ def test_union_type_match_second_member(self):
         self.assertEqual(w, 0)
 
 
-
 class TestSyntaxErrors(unittest.TestCase):
 
     def assert_syntax_error(self, code: str):
@@ -3307,6 +3306,7 @@ def test_mapping_pattern_duplicate_key_edge_case3(self):
                 pass
         """)
 
+
 class TestTypeErrors(unittest.TestCase):
 
     def test_generic_type(self):
@@ -3503,7 +3503,6 @@ def test_expanded_union_mirrors_isinstance_failure(self):
         self.assertIsInstance(result, TypeError)
         self.assertIsInstance(reference, TypeError)
 
-
     def test_union_type_mirrors_isinstance_success(self):
         t = int | list[int]