[MSNoise] installer problem

[?I?]

Hi Thomas 
            I am C.J Liao, and i'm installing the Msnoise  1.4 version in Ubuntu system with Quick,  i have a question when i run  'msnoise stack -r -m ' I 'config' the  stack_method=pws ,pws power=2 ,  pws_timegate=10.0,autocorr=N,RR=Y,ZZ=Y....,
There is following error when I 'stack'. How can i solve this problem? many thanks!


$ msnoise stack -r -m  
rusult in


Lets STACK !
2017-04-10 16:16:00 [DEBUG] Starting the ref stack
[]
2017-04-10 16:16:00 [DEBUG] Processing YP_NE12:YP_NE48-ZZ-1
2017-04-10 16:16:00 [DEBUG] Found 295 updated days
2017-04-10 16:16:00 [DEBUG] New Data for YP_NE12:YP_NE48-ZZ-1
/home/l/anaconda2/lib/python2.7/site-packages/obspy/io/sac/util.py:370: UserWarning: Old header has invalid reftime.
  warnings.warn(msg)
2017-04-10 16:16:04 [DEBUG] Processing YP_NE12:YP_NE48-RR-1
2017-04-10 16:16:04 [DEBUG] Found 295 updated days
2017-04-10 16:16:04 [DEBUG] New Data for YP_NE12:YP_NE48-RR-1
Traceback (most recent call last):
  File "/home/l/anaconda2/bin/msnoise", line 11, in <module>
    sys.exit(run())
  File "/home/l/anaconda2/lib/python2.7/site-packages/msnoise/scripts/msnoise.py", line 614, in run
    cli(obj={})
  File "/home/l/.local/lib/python2.7/site-packages/click/core.py", line 722, in __call__
    return self.main(*args, **kwargs)
  File "/home/l/.local/lib/python2.7/site-packages/click/core.py", line 697, in main
    rv = self.invoke(ctx)
  File "/home/l/.local/lib/python2.7/site-packages/click/core.py", line 1066, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/l/.local/lib/python2.7/site-packages/click/core.py", line 895, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/l/.local/lib/python2.7/site-packages/click/core.py", line 535, in invoke
    return callback(*args, **kwargs)
  File "/home/l/anaconda2/lib/python2.7/site-packages/msnoise/scripts/msnoise.py", line 301, in stack
    main('ref', interval)
  File "/home/l/anaconda2/lib/python2.7/site-packages/msnoise/s04stack.py", line 209, in main
    db, sta1, sta2, filterid, components, datelist, format=format)
  File "/home/l/anaconda2/lib/python2.7/site-packages/msnoise/api.py", line 1020, in get_results
    corr = stack(session, stack_data)
  File "/home/l/anaconda2/lib/python2.7/site-packages/msnoise/api.py", line 978, in stack
    coh = 1. / data.shape[0] * np.abs(phasestack)
ZeroDivisionError: float division by zero