Question

我无法通过pip安装任何软件包，它向我显示错误：-

PS

C:\WINDOWS\system32> pip install virtualenv
Collecting virtualenv
  Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x0423C5D0>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': /simple/virtualenv/
  Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x0423C3B0>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': /simple/virtualenv/
  Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x0423C290>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': /simple/virtualenv/
  Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x0423C090>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': /simple/virtualenv/
  Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x0423C7F0>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it'))': /simple/virtualenv/
  Could not find a version that satisfies the requirement virtualenv (from versions: )
No matching distribution found for virtualenv

Answer 1

更新点时会发生这种类型的错误。但是可以通过使用以下命令来解决。

步骤1：

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
步骤2：

python3 get-pip.p --force-reinstall
步骤3：

现在检查点子版本：

pip3 --version

Answer 2

这可能发生在旧版本的pip上。尝试使用pip install --upgrade pip

对其进行升级

我无法通过pip安装任何软件包，它向我显示错误

2 个答案: