无法在我的 Raspberry Pi 上使用 pip 安装 Flask

Question

我正在尝试在我的 Raspberry Pi 上安装 Flask，但似乎不再可能使用以下命令：sudo pip install flask. 我总是返回这条消息：

Downloading/unpacking flask

Cleaning up...

Exception:

Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 122, in main

    status = self.run(options, args)

  File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 290, in run

    requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)

  File "/usr/lib/python2.7/dist-packages/pip/req.py", line 1178, in prepare_files

    url = finder.find_requirement(req_to_install, upgrade=self.upgrade)

  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 194, in find_requirement

    page = self._get_page(main_index_url, req)

  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_page

    session=self.session,

  File "/usr/lib/python2.7/dist-packages/pip/index.py", line 694, in get_page

    req, link, "connection error: %s" % exc, url,

TypeError: __str__ returned non-string (type Error)

Storing debug log for failure in /root/.pip/pip.log

有人知道出了什么问题吗？

Answer 1

此处描述了此问题。简而言之，解决方法是正确设置日期，例如：sudo date +%Y%m%d -s "20180920"希望能帮助到你！