FIXUP

Author: cryptomilk

pynvim/msgpack_rpc/event_loop/asyncio.py

@@ -188,42 +188,19 @@ async def connect_stdout():
 
     @override
     def _connect_child(self, argv: List[str]) -> None:
-        def can_use_pidfd():
-            # Unix system without pidfd_open?
-            if not hasattr(os, 'pidfd_open'):
-                return False
-
-            # Check that we are not blocked by security policy like SECCOMP
-            try:
-                pid = os.getpid()
-                fd = os.pidfd_open(pid, 0)
-                os.close(fd)
-            except OSError:
-                return False
-
-            return True
-
         def get_child_watcher():
-            if can_use_pidfd():
-                try:
-                    from asyncio import PidfdChildWatcher
-                    return PidfdChildWatcher()
-                except ImportError:
-                    pass
-
             try:
-                from asyncio import ThreadedChildWatcher
-                return ThreadedChildWatcher()
-            except ImportError:
-                pass
+                return asyncio.get_child_watcher()
+            except AttributeError:  # Python 3.14
+                return None
 
-            # FIXME Python 3.7, return None if we drop support
-            return asyncio.get_child_watcher()
+            return None
 
         if os.name != 'nt':
             watcher = get_child_watcher()
-            watcher.attach_loop(self._loop)
-            self._child_watcher = watcher
+            if watcher is not None:
+                watcher.attach_loop(self._loop)
+                self._child_watcher = watcher
 
         async def create_subprocess():
             transport: asyncio.SubprocessTransport  # type: ignore