安装 numpy 时未验证 ssl 证书

Question

在命令提示符下使用下面给出的命令安装 numpy 时出现问题。 试图安装metplotlib，numpy，scipy，但面临同样的问题 每次.below都是numpy安装的错误

> cd ..
> cd ..
> cd pyhton36
> cd scripts 
> pip install numpy
 collecting numpy

 Retrying (Retry(total=4, connect=None, read=None, redirect=None, 
status=None)) after connection broken by 'SSLError(SSLError(1, '[SSL: 
CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:841)'),)': 
/simple/numpy/
Could not fetch URL https://pypi.org/simple/numpy/: There was a problem 
confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', 
port=443): Max retries exceeded with url: /simple/numpy/ (Caused by 
SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify 
failed (_ssl.c:841)'),)) - skipping
Could not find a version that satisfies the requirement numpy (from versions: 
)
No matching distribution found for numpy
Could not fetch URL https://pypi.org/simple/pip/: There was a problem 
confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', 
port=443): Max retries exceeded with url: /simple/pip/ (Caused by 
SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify 
failed (_ssl.c:841)'),)) - skipping


so how can i correct this or can i install it in another way
I used command pip list :

package    version

pip        10.0.1

setuptools 39.0.1

Could not fetch URL https://pypi.org/simple/pip/: There was a problem        confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:841)'),)) - skipping

删除了 python3.6.6 并安装了 python3.4.4，现在命令 pip install numpy 显示错误：

找不到满足numpy要求的版本（来自版本：） 没有找到 numpy 的匹配分布

Answer 1

使用此命令代替“pip install numpy”。这最终对我有用。

pip install --trusted-host pypi.org --trusted-host pypi.python.org --trusted-host files.pythonhosted.org numpy