[IPython-dev] ipython-zmq messages help

[Omar Andrés Zapata Mesa]

hi all.
what is a valid python json message?
I am sending string that content dictionaries and in  REQ/REP sockets it
dont show me error, but in SUB/PUB it show me
msg=self._subscribe_socket.recv_json()
  File "_zmq.pyx", line 918, in zmq._zmq.Socket.recv_json (zmq/_zmq.c:6989)
  File "/usr/lib/python2.6/json/__init__.py", line 307, in loads
    return _default_decoder.decode(s)
  File "/usr/lib/python2.6/json/decoder.py", line 319, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib/python2.6/json/decoder.py", line 336, in raw_decode
    obj, end = self._scanner.iterscan(s, **kw).next()
  File "/usr/lib/python2.6/json/scanner.py", line 55, in iterscan
    rval, next_pos = action(m, context)
  File "/usr/lib/python2.6/json/decoder.py", line 171, in JSONObject
    raise ValueError(errmsg("Expecting property name", s, end))
ValueError: Expecting property name: line 1 column 1 (char 1)

some idea?
O.
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