pip升級或者安裝報錯-SSL: CERTIFICATE_VERIFY_FAILED

問題描述：

升級pip是報錯SSL: CERTIFICATE_VERIFY_FAILED

(venv-patroni-4.0.3) [fbase@localhost root]$ python -m pip install --upgrade pip
Requirement already satisfied: pip in /opt/soft/patroni/venv-patroni-4.0.3/lib/python3.10/site-packages (23.0.1)
Collecting pip
  WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)'))': /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl
  WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)'))': /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl
  WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)'))': /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl
  WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)'))': /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl
  WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)'))': /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl
ERROR: Could not install packages due to an OSError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Max retries exceeded with url: /packages/85/8a/1ddf40be20103bcc605db840e9ade09c8e8c9f920a03e9cfe88eae97a058/pip-25.0-py3-none-any.whl (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: certificate is not yet valid (_ssl.c:1007)')))


[notice] A new release of pip is available: 23.0.1 -> 25.0
[notice] To update, run: pip install --upgrade pip

產生原因：

當前2025/02/05，因為系統時間沒有同步。

(venv-patroni-4.0.3) [fbase@localhost root]$ date
2025年 01月 07日 星期二 00:53:40 CST

解決方案：

sudo yum install -y ntpdate
sudo ntpdate ntp.aliyun.com