我正在尝试运行以下命令
import nltk
nltk.download('all')
但是我收到了这个错误
Traceback (most recent call last):
File "./update.py", line 3, in <module>
nltk.download('all')
File "/usr/lib/python3.6/site-packages/nltk/downloader.py", line 664, in download
for msg in self.incr_download(info_or_id, download_dir, force):
File "/usr/lib/python3.6/site-packages/nltk/downloader.py", line 534, in incr_download
try: info = self._info_or_id(info_or_id)
File "/usr/lib/python3.6/site-packages/nltk/downloader.py", line 508, in _info_or_id
return self.info(info_or_id)
File "/usr/lib/python3.6/site-packages/nltk/downloader.py", line 875, in info
self._update_index()
File "/usr/lib/python3.6/site-packages/nltk/downloader.py", line 825, in _update_index
ElementTree.parse(compat.urlopen(self._url)).getroot())
File "/usr/lib/python3.6/xml/etree/ElementTree.py", line 1196, in parse
tree.parse(source, parser)
File "/usr/lib/python3.6/xml/etree/ElementTree.py", line 597, in parse
self._root = parser._parse_whole(source)
xml.etree.ElementTree.ParseError: not …