Stream TypeError: 'str' does not support the buffer interface about plotly.py HOT 8 CLOSED

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-9-4f183c164120> in <module>()
      4 
      5 s.write(dict(x=[1,2,3], y=[3,5,4]))
----> 6 s.close()

/home/dan/prac/.virtualenvs/work/lib/python3.4/site-packages/plotly/plotly/plotly.py in close(self)
    509         """
    510         try:
--> 511             self._stream.close()
    512         except AttributeError:
    513             raise exceptions.PlotlyError("Stream has not been opened yet.")

/home/dan/prac/.virtualenvs/work/lib/python3.4/site-packages/plotly/plotly/chunked_requests/chunked_request.py in close(self)
    109             return ''
    110 
--> 111         return self._getresponse()
    112 
    113     def _getresponse(self):

/home/dan/prac/.virtualenvs/work/lib/python3.4/site-packages/plotly/plotly/chunked_requests/chunked_request.py in _getresponse(self)
    132                 break
    133             else:
--> 134                 response += bytes
    135         # Set recv to be non-blocking again
    136         self._conn.sock.setblocking(False)

TypeError: Can't convert 'bytes' object to str implicitly

$ git checkout iss79
$ git pull origin iss79

s = py.Stream(my_stream_id)

# Open the stream
s.open()