Update main.yml

Author: efernandeza

tasks/main.yml

@@ -40,7 +40,7 @@
 
 - name: install other node versions via nvm
   shell: . /etc/bashrc.node.sh; nvm install {{item}}
-  with_items: node_versions
+  with_items: "{{node_versions}}"
 
 - name: st the default node version
   shell: . /etc/bashrc.node.sh; nvm alias default {{default_node_version}}