cloud9でpythonデバッグモードで実行するとエラーになることがあるが、なんかもうどうしようもない

順調だったのに急にコレが出て動かなくなることがある。

Exception in thread IKPdbCommandLoop:
Traceback (most recent call last):
  File "/usr/lib64/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib64/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/local/lib64/python3.6/site-packages/ikp3db.py", line 1423, in command_loop
    obj = remote_client.receive()
  File "/usr/local/lib64/python3.6/site-packages/ikp3db.py", line 353, in receive
    obj = self.decode(full_message)
  File "/usr/local/lib64/python3.6/site-packages/ikp3db.py", line 216, in decode
    obj = json.loads(json_obj)
  File "/usr/lib64/python3.6/json/__init__.py", line 354, in loads
    return _default_decoder.decode(s)
  File "/usr/lib64/python3.6/json/decoder.py", line 339, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib64/python3.6/json/decoder.py", line 355, in raw_decode
    obj, end = self.scan_once(s, idx)
json.decoder.JSONDecodeError: Unterminated string starting at: line 1 column 212 (char 211)

$ sudo reboot

してもなおらない。

デバッグモードOFFにすれば動く。

どうなってんの？