更新anaconda和安装新软件包的问题

本文介绍了更新anaconda和安装新软件包的问题的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我正在尝试在Ubuntu-Linux的anaconda上安装seaborn.

I am trying to install seaborn on anaconda on Ubuntu-Linux.

conda install -c anaconda seaborn=0.7.1

我收到以下错误消息:

Fetching package metadata .../home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connection.py:337: SubjectAltNameWarning: Certificate for conda.anaconda has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See github/shazow/urllib3/issues/497 for details.) SubjectAltNameWarning /home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connection.py:337: SubjectAltNameWarning: Certificate for conda.anaconda has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818. (See github/shazow/urllib3/issues/497 for details.) SubjectAltNameWarning ..An unexpected error has occurred. Please consider posting the following information to the conda GitHub issue tracker at: github/conda/conda/issues Current conda install: platform : linux-64 conda version : 4.2.12 conda is private : False conda-env version : 4.2.12 conda-build version : 1.19.0 python version : 3.5.2.final.0 requests version : 2.12.1 root environment : /home/moritz/Python/anaconda3 (writable) default environment : /home/moritz/Python/anaconda3 envs directories : /home/moritz/Python/anaconda3/envs package cache : /home/moritz/Python/anaconda3/pkgs channel URLs : repo.continuum.io/pkgs/free/linux-64 repo.continuum.io/pkgs/free/noarch repo.continuum.io/pkgs/pro/linux-64 repo.continuum.io/pkgs/pro/noarch config file : None offline mode : False

我跑步时

$ /home/moritz/Python/anaconda3/bin/conda install -c anaconda seaborn=0.7.1

我收到以下错误消息:

Traceback (most recent call last): File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/exceptions.py", line 479, in conda_exception_handler return_value = func(*args, **kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/cli/main.py", line 145, in _main exit_code = args.func(args, p) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/cli/main_install.py", line 80, in execute install(args, parser, 'install') File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/cli/install.py", line 238, in install prefix=prefix) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/api.py", line 24, in get_index index = fetch_index(channel_urls, use_cache=use_cache, unknown=unknown) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 310, in fetch_index repodatas = [(u, f.result()) for u, f in zip(urls, futures)] File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 310, in <listcomp> repodatas = [(u, f.result()) for u, f in zip(urls, futures)] File "/home/moritz/Python/anaconda3/lib/python3.5/concurrent/futures/_base.py", line 398, in result return self.__get_result() File "/home/moritz/Python/anaconda3/lib/python3.5/concurrent/futures/_base.py", line 357, in __get_result raise self._exception File "/home/moritz/Python/anaconda3/lib/python3.5/concurrent/futures/thread.py", line 55, in run result = self.fn(*self.args, **self.kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 74, in func res = f(*args, **kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/conda/fetch.py", line 116, in fetch_repodata timeout=(3.05, 60)) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 501, in get return self.request('GET', url, **kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 488, in request resp = self.send(prep, **send_kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/sessions.py", line 609, in send r = adapter.send(request, **kwargs) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/adapters.py", line 423, in send timeout=timeout File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connectionpool.py", line 594, in urlopen chunked=chunked) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connectionpool.py", line 350, in _make_request self._validate_conn(conn) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connectionpool.py", line 835, in _validate_conn conn.connect() File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/connection.py", line 330, in connect cert = self.sock.getpeercert() File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/contrib/pyopenssl.py", line 324, in getpeercert 'subjectAltName': get_subj_alt_name(x509) File "/home/moritz/Python/anaconda3/lib/python3.5/site-packages/requests/packages/urllib3/contrib/pyopenssl.py", line 171, in get_subj_alt_name ext = cert.extensions.get_extension_for_class( AttributeError: 'Extensions' object has no attribute 'get_extension_for_class'`

您知道这里可能存在什么问题吗?预先非常感谢.

Any idea what the issue could be here? Many thanks in advance.

推荐答案

请参见此处: github/conda/conda/issues/3929

问题是加密程序包的旧版本.它可以通过运行来解决:

The issue was an old version of the cryptography package. It could be fixed by running:

CONDA_SSL_VERIFY=false conda update pyopenssl