嘗試安裝pip
,virtualenv
時會發生以下錯誤。如何解決在python 2.7中使用pip的HashMissing?
Traceback (most recent call last):
File "/usr/local/bin/pip", line 7, in <module>
from pip import main
File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 63, in <module>
from pip.commands import commands, get_summaries, get_similar_commands
File "/usr/lib/python2.7/dist-packages/pip/commands/__init__.py", line 6, in <module>
from pip.commands.bundle import BundleCommand
File "/usr/lib/python2.7/dist-packages/pip/commands/bundle.py", line 6, in <module>
from pip.commands.install import InstallCommand
File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 5, in <module>
from pip.req import InstallRequirement, RequirementSet, parse_requirements
File "/usr/lib/python2.7/dist-packages/pip/req/__init__.py", line 3, in <module>
from .req_install import InstallRequirement
File "/usr/lib/python2.7/dist-packages/pip/req/req_install.py", line 42, in <module>
from pip.utils.hashes import Hashes
File "/usr/lib/python2.7/dist-packages/pip/utils/hashes.py", line 5, in <module>
from pip.exceptions import HashMismatch, HashMissing, InstallationError
ImportError: cannot import name HashMissing
如何解決Hashmissing
錯誤?嘗試通過HTTPSHandler link。
這是從原來的帖子不清楚(我的編輯仍在等待),但導入發生在不在用戶控制下的代碼,所以他們不能簡單地改變導入行。 – Fabian