sqs queue is not receiving request

I have a sqs queue with name "testqueue", and I have this createjob() function to upload an input file a mapper and reducer file to an s3 bucket.

And then i call enqueuejob() function to enqueue a mapreduce job request to my sqs queue.

But its not working when I call my function createjob() my SQS queue is not receveing nothing. Do you see why?

#!/usr/bin/env python
import boto
from boto.sqs.connection import SQSConnection
import boto.sqs
import cPickle
from boto.sqs.message import Message 

conn_s3 = boto.connect_s3()


def enqueuejob(datafile,mapper,reducer):

    conn_sqs = SQSConnection()

    queuename = 'testqueue'
    q = conn_sqs.get_all_queues(prefix=queuename)

    msgdict = {'datafile': datafile, 'mapper': mapper, 'reducer':reducer}
    msg = cPickle.dumps(msgdict)
    m = Message()
    m.set_body(msg)


def createjob():

    bucket = conn_s3.get_bucket('myFolder')
    key_mapper = bucket.new_key('mapper.py')
    key_reducer = bucket.new_key('reducer.py')
    key_input = bucket.new_key('teste.txt')

    key_mapper.set_contents_from_filename('mapper.py')
    key_reducer.set_contents_from_filename('reducer.py')
    key_input.set_contents_from_filename('teste.txt')

    enqueuejob(key_input,key_mapper,key_reducer)

createjob()