.WSServerHandshakeError: 503

[shallvi66]

client_exceptions.WSServerHandshakeError: 503, message='Invalid response status', url='wss://speech.platform.bing.com/consumer/speech/synthesize/readaloud/edge/v1?TrustedClientToken=6A5AA1D4EAFF4E9FB37E23D68491D6F4&ConnectionId=b322c5ca6bc844c297c3d85008ca8e27&Sec-MS-GEC=6690A1B07AFCB8D5A16EECF22C7573111DF013B3CCC2655EE01EA162AB829CAA&Sec-MS-GEC-Version=1-143.0.3650.75'

[zhiwen546]

File "/usr/local/lib/python3.9/site-packages/aiohttp/client.py", line 1359, in aenter
self._resp: _RetType = await self._coro
File "/usr/local/lib/python3.9/site-packages/aiohttp/client.py", line 953, in _ws_connect
raise WSServerHandshakeError(
aiohttp.client_exceptions.WSServerHandshakeError: 503, message='Invalid response status', url='wss://speech.platform.bing.com/consumer/speech/synthesize/readaloud/edge/v1?TrustedClientToken
I met the same problem.

[lamncn]

It works normally for me, but it fails when making multiple requests simultaneously (running 4 jobs at once). It seems Microsoft is blocking multiple requests at the same time.