Don't process layouting node inside templates

editor_scripts/setup_layers.sh

@@ -7,8 +7,9 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
 is_defree_installed=$(pip3 list --disable-pip-version-check | grep -E "deftree")
 if [ -z "$is_defree_installed" ]; then
-    echo "The python deftree is not installed. Installing..."
-    pip3 install deftree
+    echo "The python deftree is not installed. Please install it via"
+    echo "pip3 install deftree"
+    exit 0
 fi
 
 python3 $DIR/setup_layers.py $@