views: Display error if partitions are not available

Display an error if the user tries to partition and format a client that
has no partition info available

ogcp/views.py

@@ -531,7 +531,7 @@ def action_setup_show():
 
     db_partitions = get_client_setup(base_client)
     if not db_partitions:
-        flash(_('Selected client has no disks'), category='error')
+        flash(_('Partition information is not available. Boot client in ogLive mode to obtain it'), category='error')
         return redirect(url_for('commands'))
     filtered_partitions = [p for p in db_partitions
                            if p.get('disk') == selected_disk]