Unable to download wheels from AMD PyPI (Vitis AI 6.2 Yocto build)

[xfemerj]

Hi,

we are trying to build the Yocto-based reference design using Vitis AI 6.2 create_pfm_sw.sh and are encountering issues fetching the vart-ml, vart-x and flexmlrt packages from:
https://pypi.amd.com/vai/6.2/simple

The package index is accessible:
https://pypi.amd.com/vai/6.2/simple/vart-ml/

However, downloading the referenced wheel fails with:
AccessDenied

This causes Yocto builds to fail with:
Could not find a version that satisfies the requirement vart-ml

In previous Vitis AI releases, these dependencies were provided as local archives within the reference design. Vitis AI 6.2 now depends on fetching wheels from pypi.amd.com.

Questions:

• Are these wheels intended to be publicly accessible?
• Do they require authentication, or could this be a network issue on our side?

Thanks,
Jonas

[Rohithmatham12]

I can reproduce the access pattern from outside the reported network. The simple index is public, but the wheel object advertised by that index is not downloadable.\n\nFor example:\n\nbash\ncurl -I https://pypi.amd.com/vai/6.2/simple/vart-ml/\n# HTTP/2 200\n\ncurl -I https://pypi.amd.com/vai/6.2/simple/vart-ml/vart_ml-0.3.0.dev20260601181346+g669a1c0-py3-none-any.whl\n# HTTP/2 403\n# server: AmazonS3\n\n\nSo this does not look like a local Yocto/pip resolver issue. The package index page is reachable and advertises the wheel, but the S3 object behind the wheel URL returns 403.\n\nThe affected Yocto recipe paths appear to be:\n\n- versal_2ve/reference_design/vek385/rev-b/sw/yocto/meta-vitis-ai/recipes-vaiml-examples/vart-ml_vart-x/vart-ml.bb\n- versal_2ve/reference_design/vek385/rev-b/sw/yocto/meta-vitis-ai/recipes-vaiml-examples/vart-ml_vart-x/vart-x.bb\n- versal_2ve/reference_design/vek385/rev-b/sw/yocto/meta-vitis-ai/recipes-vaiml/ryzenai-wheels/ryzenai-wheels_1.0.bb for flexmlrt / related wheels\n\nGiven the current response, the durable fix likely needs to be in the AMD PyPI/S3 publishing or access policy for the Vitis AI 6.2 wheel objects. A repo-side change could make the BitBake error clearer, but it would not make the advertised wheels installable.