Cannot create resource record using change_rrsets

1.
postdata = """<?xml version="1.0" encoding="UTF-8"?>
... <ChangeResourceRecordSetsRequest 
xmlns="https://route53.amazonaws.com/doc/2010-10-01/">
...    <ChangeBatch>
...       <Comment>
...       Creating MYDOMAIN.com zone
...       </Comment>
...       <Changes>
...          <Change>
...             <Action>CREATE</Action>
...             <ResourceRecordSet>
...                <Name>MYDOMAIN.com.</Name>
...                <Type>CNAME</Type>
...                <TTL>14400</TTL>
...                <ResourceRecords>
...                   <ResourceRecord>
...                      <Value>www.ANOTHERDOMAIN.com</Value>
...                   </ResourceRecord>
...                </ResourceRecords>
...             </ResourceRecordSet>
...          </Change>
...       </Changes>
...    </ChangeBatch>
... </ChangeResourceRecordSetsRequest>
... """
2.
response = r53.change_rrsets(id,postdata)

What is the expected output? What do you see instead?
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/local/lib/python2.7/dist-packages/boto-2.1.1-py2.7.egg/boto/route53/connection.py", line 291, in change_rrsets
    body)
boto.route53.exception.DNSServerError: DNSServerError: 400 Bad Request
<?xml version="1.0"?>
<ErrorResponse 
xmlns="https://route53.amazonaws.com/doc/2011-05-05/"><Error><Type>Sender</Type>
<Code>InvalidInput</Code><Message>Invalid XML ; cvc-elt.1: Cannot find the 
declaration of element 
'ChangeResourceRecordSetsRequest'.</Message></Error><RequestId>1d805baf-06f9-11e
1-bbf6-2d3eee7674ab</RequestId></ErrorResponse>
What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
boto.Version '2.1.1'
Ubuntu 11.04
Linux seka 2.6.38-12-generic-pae #51-Ubuntu SMP Wed Sep 28 16:11:32 UTC 2011 
i686 i686 i386 GNU/Linux

Please provide any additional information below.
The same XML works using curl ...
dnscurl.pl --keyname bob -- -H "Content-Type: tex=UTF-8" -X POST --upload-file 
./cname.xml https://route53.amazonaws.com/2010-10-01/hostedzone/??????????/rrset
Original issue reported on code.google.com by t...@jalberts.com on 4 Nov 2011 at 3:50
vavavr00m / boto

Cannot create resource record using change_rrsets #560
