Fix blank lines

Author: efimov-mikhail

Lib/test/test_perf_profiler.py

@@ -154,19 +154,21 @@ def baz():
         self.assertIn(f"py::foo:{script}", perf_file_contents)
         self.assertIn(f"py::bar:{script}", perf_file_contents)
         self.assertIn(f"py::baz:{script}", perf_file_contents)
+
         child_perf_file_contents = perf_child_file.read_text()
         self.assertIn(f"py::foo_fork:{script}", child_perf_file_contents)
         self.assertIn(f"py::bar_fork:{script}", child_perf_file_contents)
         self.assertIn(f"py::baz_fork:{script}", child_perf_file_contents)
+
         # The parent's map should not contain the child's symbols
         self.assertNotIn(f"py::foo_fork:{script}", perf_file_contents)
         self.assertNotIn(f"py::bar_fork:{script}", perf_file_contents)
         self.assertNotIn(f"py::baz_fork:{script}", perf_file_contents)
         # The child's map should not contain the parent's symbols
         self.assertNotIn(f"py::foo:{script}", child_perf_file_contents)
         self.assertNotIn(f"py::bar:{script}", child_perf_file_contents)
-        self.assertNotIn(f"py::baz:{script}", child_perf_file_contents)  
-        
+        self.assertNotIn(f"py::baz:{script}", child_perf_file_contents)
+
     @unittest.skipIf(support.check_bolt_optimized(), "fails on BOLT instrumented binaries")
     def test_sys_api(self):
         for define_eval_hook in (False, True):