Python pip安装numpy不安装文件

在命令中，pip install numpy将出现此错误

  Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certifica
te verify failed: unable to get local issuer certificate (_ssl.c:1045)'))': /simple/numpy/
  Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certifica
te verify failed: unable to get local issuer certificate (_ssl.c:1045)'))': /simple/numpy/
  Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certifica
te verify failed: unable to get local issuer certificate (_ssl.c:1045)'))': /simple/numpy/
  Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certifica
te verify failed: unable to get local issuer certificate (_ssl.c:1045)'))': /simple/numpy/
  Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certifica
te verify failed: unable to get local issuer certificate (_ssl.c:1045)'))': /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: /sim
ple/numpy/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1045)'))) - skipping
  Could not find a version that satisfies the requirement numpy (from versions: )
No matching distribution found for numpy
You are using pip version 10.0.1, however version 18.0 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

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您应该按照错误消息中的建议更新pip。这将解决您的问题，如果它与可能已过时的TLS版本有关。

打开anaconda nevigator并尝试从笔记本内部升级jupyternotebook和nevigator，否则您应该重新安装，事实上我也有这个问题。我在互联网上搜索了很多，但至少我卸载并重新安装了它，然后下载了所有的库，现在一切正常

可能重复的