Traceback (most recent call last):
  File "/usr/share/oneconf/oneconf/networksync/__init__.py", line 80, in _sso_login_result
    self._refresh_can_sync()
  File "/usr/share/oneconf/oneconf/networksync/__init__.py", line 76, in _refresh_can_sync
    self.process_sync()
  File "/usr/share/oneconf/oneconf/networksync/__init__.py", line 159, in process_sync
    if self.infraclient.server_status() != 'ok':
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 76, in wrapper
    return json.loads(body)
  File "/usr/lib/python2.7/json/__init__.py", line 326, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.7/json/decoder.py", line 366, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.7/json/decoder.py", line 384, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded