NGNT/NEET fails when Tm_total option is enabled

[jverbrug]

2015-05-09 12:29:08,933 - psf - INFO - Writing psf file...
2015-05-09 12:29:08,933 - psf - DEBUG - writing D
2015-05-09 12:29:08,933 - psf - DEBUG - writing Tm_total
2015-05-09 12:29:08,934 - psf - DEBUG - writing T
Traceback (most recent call last):
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt.py", line 82, in <module>
    run()
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt/util.py", line 149, in wrapped_f
    res = f(*args, **kwargs)
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt.py", line 81, in run
    gnt_common(args)
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt.py", line 44, in gnt_common
    args.func(args)
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt.py", line 64, in gnt_process
    w.write_hierarchical(Hmat)
  File "/home/jverbrug/git/gnt/src/rev5/python/gnt/util.py", line 149, in wrapped_f
    res = f(*args, **kwargs)
  File "/home/jverbrug/git/gnt/src/rev5/python/psf.py", line 97, in write_hierarchical
    self.write(tfs)
  File "/home/jverbrug/git/gnt/src/rev5/python/psf.py", line 106, in write
    self.writeValue(tfs)
  File "/home/jverbrug/git/gnt/src/rev5/python/psf.py", line 137, in writeValue
    self.file.write('"{:s}" ({:s} {:s})\n'.format(tf, real_to_string(np.real(tfs.get(tf)[i])), real_to_string(np.imag(tfs.get(tf)[i]))))
TypeError: 'int' object has no attribute '__getitem__'