Traceback (most recent call last):
  File "C:\dev\opennbt\scripts\debug-region", line 47, in <module>
    n = RegionFile(arg)
  File "C:\Python27\lib\site-packages\opennbt\region.py", line 74, in __init__
    NBTFile(buff, compressed=False)
  File "C:\Python27\lib\site-packages\opennbt\nbt.py", line 373, in __init__
    tmp = TAG_Compound.read(read)
  File "C:\Python27\lib\site-packages\opennbt\nbt.py", line 218, in read
    name = BaseTag.read_utf8(rd) if has_name else None
  File "C:\Python27\lib\site-packages\opennbt\nbt.py", line 40, in read_utf8
    return rd('%ds' % length)[0]
  File "C:\Python27\lib\site-packages\opennbt\nbt.py", line 363, in read
    return struct.unpack(fmt, src.read(struct.calcsize(fmt)))
struct.error: bad char in struct format