Force python1 for Navi1 only, use python_cmd for python

fi

# Check prerequisites

pyv="$(python -c 'import sys; print(".".join(map(str, sys.version_info[0:2])))')"

pyv="$(${python_cmd} -c 'import sys; print(".".join(map(str, sys.version_info[0:2])))')"

gpu_info=$(lspci 2>/dev/null | grep -E "VGA|Display")

case "$gpu_info" in

    *"Navi 1"*|*"Navi 2"*) 

    *"Navi 1"*) 

        if [[ $(bc <<< "$pyv <= 3.10") -eq 1 ]] 

        then

            export HSA_OVERRIDE_GFX_VERSION=10.3.0

            exit 1

        fi

    ;;

    *"Renoir"*) 

        if [[ $(bc <<< "$pyv <= 3.10") -eq 1 ]]

        then

            export HSA_OVERRIDE_GFX_VERSION=9.0.0

            # Renoir users will still use torch 1.13 because 2.0 does not seem to work.

            export TORCH_COMMAND="pip install torch==1.13.1+rocm5.2 torchvision==0.14.1+rocm5.2 --index-url https://download.pytorch.org/whl/rocm5.2"

    *"Navi 2"*) export HSA_OVERRIDE_GFX_VERSION=10.3.0

    ;;

    *"Renoir"*) export HSA_OVERRIDE_GFX_VERSION=9.0.0

        printf "\n%s\n" "${delimiter}"

        printf "Experimental support for Renoir: make sure to have at least 4GB of VRAM and 10GB of RAM or enable cpu mode: --use-cpu all --no-half"

        printf "\n%s\n" "${delimiter}"

        else

            printf "\e[1m\e[31mERROR: Renoir GPUs must be using at max python 3.10, aborting...\e[0m"

            exit 1

        fi

    ;;

    *)

    ;;