diff --git a/utils/airtime-import/airtime-import.py b/utils/airtime-import/airtime-import.py
index 6abde083b..bf369bc51 100644
--- a/utils/airtime-import/airtime-import.py
+++ b/utils/airtime-import/airtime-import.py
@@ -195,8 +195,8 @@ def StorageSetAction(option, opt, value, parser):
             parser.rargs.remove('--force')
     if(not bypass):
         errorIfMultipleOption(parser.rargs, "Only [-f] and [--force] option is allowed with this option.")
-        possibleInput = {'y','Y','n','N'}
-        confirm = raw_input("Are you sure you want to change the storage direcory? (y/N) ")
+        possibleInput = ['y','Y','n','N']
+        confirm = raw_input("Are you sure you want to change the storage direcory? (y/N)")
         confirm = confirm or 'N'
         while(confirm  not in possibleInput):
             print "Not an acceptable input: %s\n" % confirm