bipython error: ValueError: No JSON object could be decoded

[mayuroks]

While starting bipython getting the below error.

Traceback (most recent call last):
  File "/Users/mrokade/.virtualenvs/cricket/bin/bipython", line 9, in <module>
    load_entry_point('bipython==0.1.2', 'console_scripts', 'bipython')()
  File "/Users/mrokade/.virtualenvs/cricket/lib/python2.7/site-packages/bipython/__init__.py", line 1769, in main
    myrepl = URWIDRepl(event_loop, palette, interpreter, config)
  File "/Users/mrokade/.virtualenvs/cricket/lib/python2.7/site-packages/bipython/__init__.py", line 651, in __init__
    self.ipython = self.connect_ipython_kernel()
  File "/Users/mrokade/.virtualenvs/cricket/lib/python2.7/site-packages/bipython/__init__.py", line 712, in connect_ipython_kernel
    km.load_connection_file()
  File "/Users/mrokade/.virtualenvs/cricket/lib/python2.7/site-packages/IPython/kernel/connect.py", line 504, in load_connection_file
    cfg = json.load(f)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 290, in load
    **kw)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 338, in loads
    return _default_decoder.decode(s)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 365, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/decoder.py", line 383, in raw_decode
    raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded

Any ideas how this can be fixed ?