Couldn't parse JSON : No JSON object could be decoded Traceback (most recent call last): File "/usr/bin/ceph", line 948, in retval = main() File "/usr/bin/ceph", line 875, in main sigdict = parse_json_funcsigs(outbuf, 'cli') File "/usr/lib/python2.7/site-packages/ceph_argparse.py", line 744, in parse_json_funcsigs raise e ValueError: No JSON object could be decoded