graphlab.canvas.set_target('ipynb') error

I am getting an error in the following line:

graphlab.canvas.set_target('ipynb') # alternative 'browser', port=8889

/Volumes/DATA/anaconda3/envs/py27/lib/python2.7/site-packages/graphlab/canvas/server.pyc

108 self.__server = tornado.httpserver.HTTPServer(self.__application, io_loop=self.__loop)

TypeError: initialize() got an unexpected keyword argument 'io_loop'

Fix Attempt 1:
 

$ conda update tornado


environment location: /Volumes/DATA/anaconda3/envs/py27


tornado: 5.1-py27h1de35cc_0 --> 5.1.1-py27h1de35cc_0

Fix is not successful



Fix Attempt 2:

Reinstall Anaconda3

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