Update comments

Author: vstinner

Lib/test/libregrtest/runtest.py

@@ -80,8 +80,8 @@ class EnvChanged(Failed):
     def __str__(self) -> str:
         return f"{self.name} failed (env changed)"
 
-    @staticmethod
     # Convert Passed to EnvChanged
+    @staticmethod
     def from_passed(other):
         return EnvChanged(other.name, other.duration_sec, other.xml_data)
 

Lib/test/libregrtest/runtest_mp.py

@@ -271,6 +271,9 @@ def _run_process(self, test_name: str, tmp_dir: str) -> tuple[int, str, str]:
             self.current_test_name = None
 
     def _runtest(self, test_name: str) -> MultiprocessResult:
+        # gh-93353: Check for leaked temporary files in the parent process,
+        # since the deletion of temporary files can happen late during
+        # Python finalization: too late for libregrtest.
         tmp_dir = os.getcwd() + '_tmpdir'
         tmp_dir = os.path.abspath(tmp_dir)
         try: