有时使用以下堆栈跟踪发送数据时出现websocket错误 . 什么配置更改可以防止此错误？或者，我怎样才能优雅地处理这个问题？
Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/iostream.py", line 316, in wrapper
callback(*args)
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/stack_context.py", line 241, in wrapped
callback(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/websocket.py", line 643, in _on_masked_frame_data
self._on_frame_data(self._apply_mask(self._frame_mask, data))
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/websocket.py", line 680, in _on_frame_data
self._receive_frame()
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/websocket.py", line 582, in _receive_frame
self.stream.read_bytes(2, self._on_frame_start)
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/iostream.py", line 162, in read_bytes
self._try_inline_read()
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/iostream.py", line 398, in _try_inline_read
if self._read_to_buffer() == 0:
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/iostream.py", line 414, in _read_to_buffer
chunk = self.read_from_fd()
File "/usr/local/lib/python2.7/dist-packages/tornado-3.0.1-py2.7.egg/tornado/iostream.py", line 856, in read_from_fd
chunk = self.socket.read(self.read_chunk_size)
File "/usr/lib/python2.7/ssl.py", line 160, in read
return self._sslobj.read(len)
SSLError: [Errno 1] _ssl.c:1363: error:1409442E:SSL routines:SSL3_READ_BYTES:tlsv1 alert protocol version