Client "task ssh" command fails badly when job not found

$ aurora task ssh cluster/role/prod/job/0 --command "echo ..."
log(ERROR): Internal error executing command: list index out of range
$ 

$ aurora ssh cluster/role/prod/job 0 'echo ...'
 INFO] Response from scheduler: OK (message: None)
Traceback (most recent call last):
  File "/usr/libexec/aurora-client/twitter/common/app/application.py", line 738, in _wrap_method
    return_code = method()
  File "/usr/libexec/aurora-client/twitter/common/app/application.py", line 760, in <lambda>
    main = lambda: main_method(*args, **kwargs)
  File "/usr/libexec/aurora-client/.deps/apache.aurora.clientv2-0.5.1_DEV1406838503-py2.6.egg/apache/aurora/client/commands/ssh.py", line 54, in ssh
    first_task = resp.result.scheduleStatusResult.tasks[0]
IndexError: list index out of range