3.6 breaks OCSP test in pyopenssl #30379

     def test_client_receives_servers_data(self) -> None:
         """
         The data the server sends in its callback is received by the client.
         """
         calls = []
 
         def server_callback(*args: object, **kwargs: object) -> bytes:
             return self.sample_ocsp_data
 
         def client_callback(
             conn: Connection, ocsp_data: bytes, ignored: None
         ) -> bool:
             calls.append(ocsp_data)
             return True
 
         client = self._client_connection(callback=client_callback, data=None)
         server = self._server_connection(callback=server_callback, data=None)
         handshake_in_memory(client, server)
 
         assert len(calls) == 1
 >       assert calls[0] == self.sample_ocsp_data
 E       AssertionError: assert b'' == b'this is totally ocsp data'
 E
 E         Full diff:
 E         - (b'this is totally ocsp data')
 E         + b''
 
 tests/test_ssl.py:4640: AssertionError