Skip force pyton and pytorch ver if TORCH_COMMAND already set

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

case "$gpu_info" in

    *"Navi 1"*)

        export HSA_OVERRIDE_GFX_VERSION=10.3.0

        if [[ -z "${TORCH_COMMAND}" ]]

        then

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

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

            then

            export HSA_OVERRIDE_GFX_VERSION=10.3.0

                # Navi 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"

            else

                printf "\e[1m\e[31mERROR: RX 5000 series GPUs must be using at max python 3.10, aborting...\e[0m"

                exit 1

            fi

        fi

    ;;

    *"Navi 2"*) export HSA_OVERRIDE_GFX_VERSION=10.3.0

    ;;