Monthly Archives: May 2020

PYTHON pip install fails with “connection error: [SSL: CERTIFICATE_VERIFY_FAILED]

If you manage the proxy or SSL certificate separately, the following certificate error may occur. In this case, you can use it by specifying a trusted host in Python’s package installation tool, 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: unable to get local issuer

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