=== modified file 'cloudinit/config/cc_disk_setup.py'
--- cloudinit/config/cc_disk_setup.py	2015-02-13 21:04:03 +0000
+++ cloudinit/config/cc_disk_setup.py	2015-03-03 23:41:57 +0000
@@ -305,7 +305,7 @@
     # If the child count is higher 1, then there are child nodes
     # such as partition or device mapper nodes
     use_count = [x for x in enumerate_disk(device)]
-    if len(use_count.splitlines()) > 1:
+    if len(use_count) > 1:
         return True
 
     # If we see a file system, then its used