Python 升级到版本20.0.2后无法将包安装到虚拟环境
我最近将我的pip更新为版本20.0.2,目前正在虚拟环境中进行一个项目,无法在虚拟环境中安装任何软件包。我尝试在正常的命令行上安装它,它安装成功,但在虚拟环境中不断出现错误 这是我尝试过的命令:Python 升级到版本20.0.2后无法将包安装到虚拟环境,python,pip,Python,Pip,我最近将我的pip更新为版本20.0.2,目前正在虚拟环境中进行一个项目,无法在虚拟环境中安装任何软件包。我尝试在正常的命令行上安装它,它安装成功,但在虚拟环境中不断出现错误 这是我尝试过的命令: (11_env) C:\Users\user\Desktop\learning_log>pip install django 这是我一直收到的错误消息: Traceback (most recent call last): File "C:\Users\user\AppData\Local
(11_env) C:\Users\user\Desktop\learning_log>pip install django
这是我一直收到的错误消息:
Traceback (most recent call last):
File "C:\Users\user\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "C:\Users\user\AppData\Local\Programs\Python\Python37\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Users\user\Desktop\learning_log\11_env\Scripts\pip.exe\__main__.py", line 7, in <module>
File "c:\users\user\desktop\learning_log\11_env\lib\site-packages\pip\_internal\cli\main.py", line 73, in main
command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
File "c:\users\user\desktop\learning_log\11_env\lib\site-packages\pip\_internal\commands\__init__.py", line 96, in create_command
module = importlib.import_module(module_path)
File "C:\Users\user\AppData\Local\Programs\Python\Python37\lib\importlib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
File "<frozen importlib._bootstrap>", line 983, in _find_and_load
File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 728, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "c:\users\user\desktop\learning_log\11_env\lib\site-packages\pip\_internal\commands\install.py", line 23, in <module>
from pip._internal.cli.req_command import RequirementCommand
File "c:\users\user\desktop\learning_log\11_env\lib\site-packages\pip\_internal\cli\req_command.py", line 17, in <module>
from pip._internal.index import PackageFinder
ImportError: cannot import name 'PackageFinder' from 'pip._internal.index' (c:\users\user\desktop\learning_log\11_env\lib\site-packages\pip\_internal\index\__init__.py)
回溯(最近一次呼叫最后一次):
文件“C:\Users\user\AppData\Local\Programs\Python\Python37\lib\runpy.py”,第193行,位于\u run\u模块\u as\u main中
“\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
文件“C:\Users\user\AppData\Local\Programs\Python37\lib\runpy.py”,第85行,在运行代码中
exec(代码、运行\全局)
文件“C:\Users\user\Desktop\learning\u log\11\u env\Scripts\pip.exe\ \uuuuuu main\uuuuuuuuuuu.py”,第7行,在
文件“c:\users\user\desktop\learning\u log\11\u env\lib\site packages\pip\\u internal\cli\main.py”,主目录第73行
command=create_命令(cmd_name,isolated=(--isolated)在cmd_参数中)
文件“c:\users\user\desktop\learning\u log\11\u env\lib\site packages\pip\\u internal\commands\\uuuuuuu init\uuuuuu.py”,第96行,在create\u命令中
模块=导入lib.import\u模块(模块路径)
导入模块中的文件“C:\Users\user\AppData\Local\Programs\Python\37\lib\importlib\\uuuuuu init\uuuuuu.py”,第127行
return _bootstrap._gcd_import(名称[级别:],包,级别)
文件“”,第1006行,在\u gcd\u导入中
文件“”,第983行,在_find_和_load中
文件“”,第967行,在“查找”和“加载”中解锁
文件“”,第677行,在\u加载\u解锁
exec_模块中第728行的文件“”
文件“”,第219行,在“调用”中,删除了“帧”
文件“c:\users\user\desktop\learning\u log\11\u env\lib\site packages\pip\\u internal\commands\install.py”,第23行,在
从pip.\u internal.cli.req\u命令导入RequirementCommand
文件“c:\users\user\desktop\learning\u log\11\u env\lib\site packages\pip\\u internal\cli\req\u command.py”,第17行,在
从pip.\u内部索引导入PackageFinder
ImportError:无法从“pip.\u internal.index”(c:\users\user\desktop\learning\u log\11\u env\lib\site packages\pip\\u internal\index\\u init\u.py)导入名称“PackageFinder”
注意:在升级Pip版本之前,我已经在虚拟环境中安装了软件包
谢谢。将您的版本降级为稳定版本。请参阅问题。