NameError: global name 'memoryview' is not defined

[xinghailong]

When i run the redis-live and visit http://192.168.242.8:8888/index.html.
tornado got an error
[E 170601 13:52:01 http1connection:731] Uncaught exception Traceback (most recent call last): File "/usr/lib64/python2.6/site-packages/tornado/http1connection.py", line 722, in _server_request_loop ret = yield conn.read_response(request_delegate) File "/usr/lib64/python2.6/site-packages/tornado/gen.py", line 1055, in run value = future.result() File "/usr/lib64/python2.6/site-packages/tornado/concurrent.py", line 238, in result raise_exc_info(self._exc_info) File "/usr/lib64/python2.6/site-packages/tornado/gen.py", line 307, in wrapper yielded = next(result) File "/usr/lib64/python2.6/site-packages/tornado/http1connection.py", line 159, in _read_message max_bytes=self.params.max_header_size) File "/usr/lib64/python2.6/site-packages/tornado/iostream.py", line 256, in read_until_regex self._try_inline_read() File "/usr/lib64/python2.6/site-packages/tornado/iostream.py", line 720, in _try_inline_read self._read_from_buffer(pos) File "/usr/lib64/python2.6/site-packages/tornado/iostream.py", line 778, in _read_from_buffer self._run_read_callback(pos, False) File "/usr/lib64/python2.6/site-packages/tornado/iostream.py", line 687, in _run_read_callback future.set_result(self._consume(size)) File "/usr/lib64/python2.6/site-packages/tornado/iostream.py", line 910, in _consume b = (memoryview(self._read_buffer) NameError: global name 'memoryview' is not defined

Python 2.6.6
tornado (4.5.1)
argparse (1.4.0)
python-dateutil (1.4.1)
redis (2.10.5)

[xinghailong]

if you like me use py2.6.x
try this:
pip uninstall tornado
pip install tornado==2.1.1