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 71, in __init__
    buff = StringIO(zlib.decompress(src.read(length)))
zlib.error: Error -5 while decompressing data: incomplete or truncated stream