GH-120804: Remove `PidfdChildWatcher`, `ThreadedChildWatcher` and `AbstractChildWatcher` from asyncio APIs (#120893)

1 files changed, 0 insertions, 17 deletions

diff --git a/Lib/test/test_asyncio/utils.py b/Lib/test/test_asyncio/utils.py
index 3fe2ecd..dbb8d27 100644
--- a/Lib/test/test_asyncio/utils.py
+++ b/Lib/test/test_asyncio/utils.py
@@ -547,23 +547,6 @@ class TestCase(unittest.TestCase):
                 loop._default_executor.shutdown(wait=True)
         loop.close()
 
-        policy = support.maybe_get_event_loop_policy()
-        if policy is not None:
-            try:
-                watcher = policy._watcher
-            except AttributeError:
-                # watcher is not implemented by EventLoopPolicy, e.g. Windows
-                pass
-            else:
-                if isinstance(watcher, asyncio.ThreadedChildWatcher):
-                    # Wait for subprocess to finish, but not forever
-                    for thread in list(watcher._threads.values()):
-                        thread.join(timeout=support.SHORT_TIMEOUT)
-                        if thread.is_alive():
-                            raise RuntimeError(f"thread {thread} still alive: "
-                                               "subprocess still running")
-
-
     def set_event_loop(self, loop, *, cleanup=True):
         if loop is None:
             raise AssertionError('loop is None')