(Pdb) w
  <stdin>(1)<module>()
  c:\old_user\workspace\cyopenssl\test\_test.py(117)session_test()
-> tls_c.send('hello')
  c:\old_user\workspace\cyopenssl\test\cyopenssl\openssl.pyx(680)cyopenssl.openssl.Socket.send (cyopenssl/openssl.c:6673)()
> c:\old_user\workspace\cyopenssl\test\cyopenssl\openssl.pyx(776)cyopenssl.openssl.Socket._do_ssl (cyopenssl/openssl.c:8320)()
(Pdb) l
771                 elif err == SSL_ERROR_SSL:
772                     raise SSLError("SSL_ERROR_SSL")
773                 elif err == SSL_ERROR_WANT_READ:
774                     # xfer data from socket to BIO
775                     self._update_timeout(start)
776  ->                 io_size = self.sock.recv_into(self.buf)
777                     if io_size == 0:
778                         return 0
779                     BIO_write(self.rbio, <char *>self.buf,  io_size)
780                     # raise SSLWantRead()
781                 elif err == SSL_ERROR_WANT_WRITE: