《飘邈之旅》.scel 这个文件出错了

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Traceback (most recent call last):
File "yk-extract_sougou.py", line 87, in
scandir(sougou_path, funcD = None, funcF = voc_extract, ffilter=None)
File "C:\ub16_prj\andy_common.py", line 94, in scandir
if funcF is not None: funcF(fullname)
File "yk-extract_sougou.py", line 80, in voc_extract
words = scel_parser.parse_file(filepath)
File "yk-extract_sougou.py", line 61, in parse_file
words = self.parse(f.read())
File "yk-extract_sougou.py", line 50, in parse
word_len = struct.unpack('<H', content[index:index + 2])[0]
struct.error: unpack requires a buffer of 2 bytes