reformat, already updated cache in common-prep
diff --git a/roles/compute-prep/tasks/main.yml b/roles/compute-prep/tasks/main.yml
index aedd62a..1e5bdbe 100644
--- a/roles/compute-prep/tasks/main.yml
+++ b/roles/compute-prep/tasks/main.yml
@@ -2,7 +2,10 @@
 # file: roles/compute-prep/tasks/main.yml
 
 - name:  Install packages
-  apt: name={{ item }} state=latest update_cache=yes
+  apt:
+    name={{ item }}
+    state=latest
   with_items:
     - python-yaml
 
+