[936]nltk.download()下载失败

pip install nltk

>>> from nltk.corpus import brown
>>> brown.words()
Traceback (most recent call last):
  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 80, in __load
    try: root = nltk.data.find('{}/{}'.format(self.subdir, zip_name))
  File "D:\soft\python3.6\lib\site-packages\nltk\data.py", line 675, in find
    raise LookupError(resource_not_found)
LookupError:
**********************************************************************
  Resource [93mbrown[0m not found.
  Please use the NLTK Downloader to obtain the resource:

  [31m>>> import nltk
  >>> nltk.download('brown')
  [0m
  Searched in:
    - 'C:\\Users\\WYXCz/nltk_data'
    - 'C:\\nltk_data'
    - 'D:\\nltk_data'
    - 'E:\\nltk_data'
    - 'D:\\soft\\python3.6\\nltk_data'
    - 'D:\\soft\\python3.6\\share\\nltk_data'
    - 'D:\\soft\\python3.6\\lib\\nltk_data'
    - 'C:\\Users\\WYXCz\\AppData\\Roaming\\nltk_data'
**********************************************************************


During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 116, in __getattr__
    self.__load()
  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 81, in __load
    except LookupError: raise e
  File "D:\soft\python3.6\lib\site-packages\nltk\corpus\util.py", line 78, in __load
    root = nltk.data.find('{}/{}'.format(self.subdir, self.__name))
  File "D:\soft\python3.6\lib\site-packages\nltk\data.py", line 675, in find
    raise LookupError(resource_not_found)
LookupError:
**********************************************************************
  Resource [93mbrown[0m not found.
  Please use the NLTK Downloader to obtain the resource:

  [31m>>> import nltk
  >>> nltk.download('brown')
  [0m
  Searched in:
    - 'C:\\Users\\WYXCz/nltk_data'
    - 'C:\\nltk_data'
    - 'D:\\nltk_data'
    - 'E:\\nltk_data'
    - 'D:\\soft\\python3.6\\nltk_data'
    - 'D:\\soft\\python3.6\\share\\nltk_data'
    - 'D:\\soft\\python3.6\\lib\\nltk_data'
    - 'C:\\Users\\WYXCz\\AppData\\Roaming\\nltk_data'
**********************************************************************

# 更改下载目录
nltk.download(download_dir=r'D:\soft\python3.6\share\nltk_data')