I have a crawler and need to log in to multiple accounts at the same time. How does pyppeteer work? I use multiple processes to start multiple chromius. When the second one starts, I get an error: the error is as follows

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Traceback (most recent call last): File "F:/anliang项目/Boos/test/pyptest.py", line 428, in loop.run_until_complete(main(username, pwd, url)) File "D:\Program Files (x86)\Anaconda\envs\demo4\lib\asyncio\base_events.py", line 584, in run_until_complete return future.result() File "F:/anliang项目/Boos/test/pyptest.py", line 31, in main {'headless': False, 'userDataDir': r'F:\anliang', 'dumpio': True}) File "D:\Program Files (x86)\Anaconda\envs\demo4\lib\site-packages\pyppeteer\launcher.py", line 311, in launch return await Launcher(options, **kwargs).launch() File "D:\Program Files (x86)\Anaconda\envs\demo4\lib\site-packages\pyppeteer\launcher.py", line 189, in launch self.browserWSEndpoint = self._get_ws_endpoint() File "D:\Program Files (x86)\Anaconda\envs\demo4\lib\site-packages\pyppeteer\launcher.py", line 233, in _get_ws_endpoint self.proc.stdout.read().decode() AttributeError: 'NoneType' object has no attribute 'read'

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help！