using the command it hangs , does it support es version 1.2.1 ?

[knexp]

hi have tried to use the library , but it hangs up. do you know why ?
using python version : 2.7.5

Using host: http://eshost:9203
Index sample already exists
Using document type: act
Using the following 3 fields:
potato_id
potato_type
description
^C
Aborted!