Update nest-asyncio/README.md

nest-asyncio/README.md

@@ -1,12 +1,12 @@
 ```python
 import asyncio
 (loop := asyncio.get_event_loop()).__class__._check_running = lambda _: None
-def _run_once(self):
-    self._process_events(self._selector.select(0))
-    if (ready := self._ready) and not (handle := ready.popleft())._cancelled:
-        task = (tasks := asyncio.tasks._current_tasks).pop(self, None)
+def _run_once(loop):
+    loop._process_events(loop._selector.select(0))
+    if (ready := loop._ready) and not (handle := ready.popleft())._cancelled:
+        task = (tasks := asyncio.tasks._current_tasks).pop(loop, None)
         handle._run()
-        tasks[self] = task
+        tasks[loop] = task
 loop.__class__._run_once = _run_once
 asyncio.run = loop.run_until_complete