numpy安装错误
C:\Users\hxk1>pip install numpyCollecting numpy
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x044BA580>: Failed to establish a new connection: getaddrinfo failed')': /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x044180A0>: Failed to establish a new connection: getaddrinfo failed')': /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x044181A8>: Failed to establish a new connection: getaddrinfo failed')': /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x04418280>: Failed to establish a new connection: getaddrinfo failed')': /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x04418358>: Failed to establish a new connection: getaddrinfo failed')': /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl
ERROR: Could not install packages due to an EnvironmentError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/aa/10/92a98ab6a17b5e780d7104864eb3b125bf952368d6b9cb07dcef4c05665a/numpy-1.19.1-cp38-cp38-win32.whl (Caused by NewConnectionError('<pip._vendor.urllib3.connection.VerifiedHTTPSConnection object at 0x04418430>: Failed to establish a new connection: getaddrinfo failed'))
WARNING: You are using pip version 20.1.1; however, version 20.2.2 is available.
You should consider upgrading via the 'd:\python\python.exe -m pip install --upgrade pip' command.
请问这个是什么问题，为什么我帮别人下得起，我自己的就出错了 试试 pip install -i https://pypi.tuna.tsinghua.edu.cn/simple numpy
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