Update playwright/README.md

playwright/README.md

@@ -13,7 +13,7 @@ def _run_once(loop):
         task = (tasks := asyncio.tasks._current_tasks).pop(loop, None)
         handle._run(); tasks[loop] = task
 (loop := asyncio.get_event_loop()).__class__._run_once = _run_once
-asyncio.run = loop.run_until_complete; loop.__class__._check_running = lambda _: 0
+asyncio.run = loop.run_until_complete; loop.__class__._check_running = lambda _: None
 
 @(sync := lambda coro: functools.wraps(coro)(
     lambda *args, **kwargs: asyncio.run(coro(*args, **kwargs))))
@@ -27,8 +27,7 @@ async def Page(headless=True):
     try:
         from IPython.display import Image
         page.goto = lambda url, goto=page.goto: goto(url) and Image(page.screenshot())
-    finally:
-        return page
+    finally: return page
 (page := Page()).goto('https://example.org')
 print(page.title()) # Example Domain
 ```