pixi install failed，

/envs/default/lib/python3.11/site-packages/torch/utils/cpp_extension.py",
      line 2416, in _join_cuda_home
          raise OSError('CUDA_HOME environment variable is not set. '
      OSError: CUDA_HOME environment variable is not set. Please set it to your CUDA install root.

      hint: This usually indicates a problem with the package or the build environment.