Gets stuck when -I is given a wrong instance

[hamidnazari]

$ amibaker recipes/test.yaml -k -I i-aabbccdd
Running aws --output json --profile test ec2 describe-instances --instance-ids i-aabbccdd
Running aws --output json --profile test ec2 wait instance-status-ok --instance-ids i-aabbccdd

Gets stuck. Should exit unsuccessfully stating the given instance was not found.