Anaconda使用conda更新或安装报错

Question

Win10，Anaconda3，python3.6，使用conda或者pip命令upgrade或者install都会报错
以为是因为版本冲突，Anaconda重装了也没有用，帮忙看看是什么错误啦谢谢~

 --conda upgrade conda

Fetching package metadata ...An unexpected error has occurred.
Please consider posting the following information to the
conda GitHub issue tracker at:

    https://github.com/conda/conda/issues



Current conda install:

               platform : win-64
          conda version : 4.3.27
       conda is private : False
      conda-env version : 4.3.27
    conda-build version : 3.0.22
         python version : 3.6.2.final.0
       requests version : 2.18.4
       root environment : C:\Anaconda3  (writable)
    default environment : C:\Anaconda3
       envs directories : C:\Anaconda3\envs
                          C:\Users\Yvette~1\AppData\Local\conda\conda\envs
                          C:\Users\Yvette\.conda\envs
          package cache : C:\Anaconda3\pkgs
                          C:\Users\Yvette~1\AppData\Local\conda\conda\pkgs
           channel URLs : https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/win-64
                          https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/free/noarch
                          https://repo.continuum.io/pkgs/main/win-64
                          https://repo.continuum.io/pkgs/main/noarch
                          https://repo.continuum.io/pkgs/free/win-64
                          https://repo.continuum.io/pkgs/free/noarch
                          https://repo.continuum.io/pkgs/r/win-64
                          https://repo.continuum.io/pkgs/r/noarch
                          https://repo.continuum.io/pkgs/pro/win-64
                          https://repo.continuum.io/pkgs/pro/noarch
                          https://repo.continuum.io/pkgs/msys2/win-64
                          https://repo.continuum.io/pkgs/msys2/noarch
            config file : C:\Users\陈惠宇宝宝\.condarc
             netrc file : None
           offline mode : False
             user-agent : conda/4.3.27 requests/2.18.4 CPython/3.6.2 Windows/10 Windows/10.0.15063
          administrator : False

`$ C:\Anaconda3\Scripts\conda upgrade conda`




    Traceback (most recent call last):
      File "C:\Anaconda3\lib\site-packages\conda\exceptions.py", line 640, in conda_exception_handler
        return_value = func(*args, **kwargs)
      File "C:\Anaconda3\lib\site-packages\conda\cli\main.py", line 140, in _main
        exit_code = args.func(args, p)
      File "C:\Anaconda3\lib\site-packages\conda\cli\main_update.py", line 65, in execute
        install(args, parser, 'update')
      File "C:\Anaconda3\lib\site-packages\conda\cli\install.py", line 231, in install
        unknown=index_args['unknown'], prefix=prefix)
      File "C:\Anaconda3\lib\site-packages\conda\core\index.py", line 101, in get_index
        index = fetch_index(channel_priority_map, use_cache=use_cache)
      File "C:\Anaconda3\lib\site-packages\conda\core\index.py", line 120, in fetch_index
        repodatas = collect_all_repodata(use_cache, tasks)
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 75, in collect_all_repodata
        repodatas = _collect_repodatas_serial(use_cache, tasks)
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 485, in _collect_repodatas_serial
        for url, schan, pri in tasks]
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 485, in <listcomp>
        for url, schan, pri in tasks]
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 115, in func
        res = f(*args, **kwargs)
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 464, in fetch_repodata
        mod_etag_headers.get('_mod'))
      File "C:\Anaconda3\lib\site-packages\conda\core\repodata.py", line 144, in fetch_repodata_remote_request
        timeout=timeout)
      File "C:\Anaconda3\lib\site-packages\requests\sessions.py", line 521, in get
        return self.request('GET', url, **kwargs)
      File "C:\Anaconda3\lib\site-packages\requests\sessions.py", line 508, in request
        resp = self.send(prep, **send_kwargs)
      File "C:\Anaconda3\lib\site-packages\requests\sessions.py", line 618, in send
        r = adapter.send(request, **kwargs)
      File "C:\Anaconda3\lib\site-packages\requests\adapters.py", line 440, in send
        timeout=timeout
      File "C:\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 595, in urlopen
        self._prepare_proxy(conn)
      File "C:\Anaconda3\lib\site-packages\urllib3\connectionpool.py", line 816, in _prepare_proxy
        conn.connect()
      File "C:\Anaconda3\lib\site-packages\urllib3\connection.py", line 284, in connect
        conn = self._new_conn()
      File "C:\Anaconda3\lib\site-packages\urllib3\connection.py", line 141, in _new_conn
        (self.host, self.port), self.timeout, **extra_kw)
      File "C:\Anaconda3\lib\site-packages\urllib3\util\connection.py", line 51, in create_connection
        if host.startswith('['):
    AttributeError: 'NoneType' object has no attribute 'startswith'

Answer 1

这是网的问题，可能不能访问国外网站