Python] Could not fetch URL https://pypi.python.org/simple/pip/: There was a problem confirming the ssl certificate: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:645) - skipping
i cannot install or upgrade pip "ssl error" · Issue #5448 · pypa/pip · GitHub
python | 오류 해결] Could not fetch URL; There was a problem confirming the ssl certificate; after connection broken by 'SSLError [SSL: CERTIFICATE_VERIFY_FAILED] 해결하기