Skip force pyton and pytorch ver if TORCH_COMMAND already set

webui.sh

@@ -114,16 +114,19 @@ fi
 # Check prerequisites
 gpu_info=$(lspci 2>/dev/null | grep -E "VGA|Display")
 case "$gpu_info" in
-    *"Navi 1"*) 
-        pyv="$(${python_cmd} -c 'import sys; print(".".join(map(str, sys.version_info[0:2])))')"
-        if [[ $(bc <<< "$pyv <= 3.10") -eq 1 ]] 
+    *"Navi 1"*)
+        export HSA_OVERRIDE_GFX_VERSION=10.3.0
+        if [[ -z "${TORCH_COMMAND}" ]]
         then
-            export HSA_OVERRIDE_GFX_VERSION=10.3.0
-            # Navi users will still use torch 1.13 because 2.0 does not seem to work.
-            export TORCH_COMMAND="pip install torch==1.13.1+rocm5.2 torchvision==0.14.1+rocm5.2 --index-url https://download.pytorch.org/whl/rocm5.2"
-        else
-            printf "\e[1m\e[31mERROR: RX 5000 series GPUs must be using at max python 3.10, aborting...\e[0m"
-            exit 1
+            pyv="$(${python_cmd} -c 'import sys; print(".".join(map(str, sys.version_info[0:2])))')"
+            if [[ $(bc <<< "$pyv <= 3.10") -eq 1 ]] 
+            then
+                # 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