I recently installed the official Tensorflow CPU Docker image which comes 
with Jupyter Notebook.

I can *use *it without any trouble, but it won't save at all. Whenever it 
tries to autosave, it drops me a small nondescript message. Also, every 
time I try to save and checkpoint, it gives me the following error:


<https://lh3.googleusercontent.com/-fo7fCXZztUg/V5hS6YRh1gI/AAAAAAAACYM/nvBBLwaf6wEYYr76AVRqYzoZwYe52_bRwCLcB/s1600/UnicodeDecodeError.png>

Extracted from the browser inspector I get the following text:

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/notebook/base/handlers.py", 
line 457, in wrapper
    result = yield gen.maybe_future(method(self, *args, **kwargs))
  File "/usr/local/lib/python2.7/dist-packages/tornado/gen.py", line 1015, 
in run
    value = future.result()
  File "/usr/local/lib/python2.7/dist-packages/tornado/concurrent.py", line 
237, in result
    raise_exc_info(self._exc_info)
  File "/usr/local/lib/python2.7/dist-packages/tornado/gen.py", line 285, 
in wrapper
    yielded = next(result)
  File 
"/usr/local/lib/python2.7/dist-packages/notebook/services/contents/handlers.py",
 
line 234, in put
    model = self.get_json_body()
  File "/usr/local/lib/python2.7/dist-packages/notebook/base/handlers.py", 
line 326, in get_json_body
    body = self.request.body.strip().decode(u'utf-8')
  File "/usr/lib/python2.7/encodings/utf_8.py", line 16, in decode
    return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x81 in position 4477: 
invalid start byte

I've changed the locale of my docker container's OS (Ubuntu Linux) to 
explicit en_US.UTF-8 and en_US.ISO-8859-1 but it hasn't helped.

I am at my wits end. Can anyone give me a hand with this?

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