python3 中ssl.SSLError: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:833)的错误
File"/Library/Frameworks/Python.framework/Versions/3.6/lib/python3.6/urllib/request.py",line1318,indo_openencode_chunked=req.has_header('Transfer-encoding'))File"/Library/Frameworks/Python.framework/V