extractbgs.py error help!!

[zn254937d]

Traceback (most recent call last):
File "C:\deep-anpr-master\extractbgs.py", line 97, in
extract_backgrounds(sys.argv[1])
File "C:\deep-anpr-master\extractbgs.py", line 62, in extract_backgrounds
t = tarfile.open(name=archive_name)
File "C:\Python27\lib\tarfile.py", line 1675, in open
return func(name, "r", fileobj, **kwargs)
File "C:\Python27\lib\tarfile.py", line 1740, in gzopen
fileobj = gzip.GzipFile(name, mode, compresslevel, fileobj)
File "C:\Python27\lib\gzip.py", line 94, in init
fileobj = self.myfileobj = builtin.open(filename, mode or 'rb')
IOError: [Errno 2] No such file or directory: 'SUN397.tar.gz'

what should I do?
我該怎麼辦

[ZhimingHsu]

Do you have SUN397.tar.gz at extractbgs.py folder?