Cannot retrain data using scripts.retrain

[Yogeshwar Shendye]

I am getting following stack-trace on ubuntu 18.04:

Traceback (most recent call last):
File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
"main", fname, loader, pkg_name)
File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
exec code in run_globals
File "/home/chinmaester/tensorflow-for-poets-2/scripts/retrain.py", line 1326, in
tf.app.run(main=main, argv=[sys.argv[0]] + unparsed)
File "/home/chinmaester/.local/lib/python2.7/site-packages/tensorflow/python/platform/app.py", line 40, in run
_run(main=main, argv=argv, flags_parser=_parse_flags_tolerate_undef)
File "/home/chinmaester/.local/lib/python2.7/site-packages/absl/app.py", line 299, in run
_run_main(main, args)
File "/home/chinmaester/.local/lib/python2.7/site-packages/absl/app.py", line 250, in _run_main
sys.exit(main(argv))
File "/home/chinmaester/tensorflow-for-poets-2/scripts/retrain.py", line 982, in main
maybe_download_and_extract(model_info['data_url'])
File "/home/chinmaester/tensorflow-for-poets-2/scripts/retrain.py", line 340, in maybe_download_and_extract
tarfile.open(filepath, 'r:gz').extractall(dest_directory)
File "/usr/lib/python2.7/tarfile.py", line 2081, in extractall
self.extract(tarinfo, path)
File "/usr/lib/python2.7/tarfile.py", line 2118, in extract
self._extract_member(tarinfo, os.path.join(path, tarinfo.name))
File "/usr/lib/python2.7/tarfile.py", line 2194, in _extract_member
self.makefile(tarinfo, targetpath)
File "/usr/lib/python2.7/tarfile.py", line 2235, in makefile
copyfileobj(source, target)
File "/usr/lib/python2.7/tarfile.py", line 266, in copyfileobj
shutil.copyfileobj(src, dst)
File "/usr/lib/python2.7/shutil.py", line 63, in copyfileobj
buf = fsrc.read(length)
File "/usr/lib/python2.7/tarfile.py", line 831, in read
buf += self.fileobj.read(size - len(buf))
File "/usr/lib/python2.7/tarfile.py", line 743, in read
return self.readnormal(size)
File "/usr/lib/python2.7/tarfile.py", line 758, in readnormal
return self.__read(size)
File "/usr/lib/python2.7/tarfile.py", line 748, in __read
buf = self.fileobj.read(size)
File "/usr/lib/python2.7/gzip.py", line 267, in read
self._read(readsize)
File "/usr/lib/python2.7/gzip.py", line 314, in _read
self._read_eof()
File "/usr/lib/python2.7/gzip.py", line 353, in _read_eof
hex(self.crc)))