TTLibError: bad glyph record (leftover bytes: 4)

別のエラーがでるようになった。

>python2 d:\python27\scripts\ttx DroidSansArmenian.ttf

Dumping "DroidSansArmenian.ttf" to "DroidSansArmenian#1.ttx"...
Dumping 'GlyphOrder' table...
Dumping 'head' table...
Dumping 'hhea' table...
Dumping 'maxp' table...
Dumping 'OS/2' table...
Dumping 'hmtx' table...
Dumping 'cmap' table...
Dumping 'loca' table...
Dumping 'glyf' table...
Traceback (most recent call last):
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttx.py", line 303, in main
    process(jobs, options)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttx.py", line 288, in process
    action(input, output, options)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttx.py", line 180, in ttDump
    disassembleInstructions=options.disassembleInstructions)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\__init__.py", line 267, in saveXML
    self._tableToXML(tableWriter, tag, progress)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\__init__.py", line 301, in _tableToXML
    table.toXML(writer, self, progress)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\tables\_g_l_y_f.py", line 90, in toXML
    glyph = self[glyphName]
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\tables\_g_l_y_f.py", line 150, in __getitem__
    glyph.expand(self)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\tables\_g_l_y_f.py", line 229, in expand
    self.decompileCoordinates(data)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\tables\_g_l_y_f.py", line 376, in decompileCoordinates
    self.decompileCoordinatesRaw(nCoordinates, data)
  File "D:\Python27\lib\site-packages\FontTools\fontTools\ttLib\tables\_g_l_y_f.py", line 451, in decompileCoordinatesRaw
    raise ttLib.TTLibError, "bad glyph record (leftover bytes: %s)" % (len(data) - (xDataLen + yDataLen))
TTLibError: bad glyph record (leftover bytes: 4)
(Hit any key to exit)

こちらのfonttoolsをインストールしたところ、エラーがでなくなった。
https://github.com/behdad/fonttools
http://sourceforge.net/p/fonttools/bugs/27/