Error: 404 Not Found

Sorry, the requested URL 'https://www.riverbankcomputing.com/pypi/packages/PyQt6-sip/PyQt6_sip-13.0.2-cp39-cp39-manylinux1_x86_64.whl' caused an error:

Not Found (PyQt6-sip/PyQt6_sip-13.0.2-cp39-cp39-manylinux1_x86_64.whl does not exist)