当我收到此错误消息时，如何在 PyCharm 中安装 openpyxl

Question

我正在尝试在终端中使用命令 pip install openpyxl 在 PyCharm 中安装 openpyxl，但出现以下错误：

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: self signed certifica
te in certificate chain (_ssl.c:1123)'))': /simple/openpyxl/
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: self signed certifica
te in certificate chain (_ssl.c:1123)'))': /simple/openpyxl/
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: self signed certifica
te in certificate chain (_ssl.c:1123)'))': /simple/openpyxl/
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: self signed certifica
te in certificate chain (_ssl.c:1123)'))': /simple/openpyxl/
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: self signed certifica
te in certificate chain (_ssl.c:1123)'))': /simple/openpyxl/
Could not fetch URL https://pypi.org/simple/openpyxl/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/openpyxl/ (Caused by SSLError(SSLCertVeri
ficationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)'))) - skipping
ERROR: Could not find a version that satisfies the requirement openpyxl (from versions: none)
ERROR: No matching distribution found for openpyxl
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(SSLCertVerificationEr
ror(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: self signed certificate in certificate chain (_ssl.c:1123)'))) - skipping

Answer 1

你可以试试这个

1.打开PyCharm。

2.转到File -> settings -> Project:test(test means your project name) -> select project interpretor -> click add button

3.点击添加按钮并搜索cryptography然后安装它。

最后，运行程序。