The use of this field has been deprecated. Received 'datetime' object

[bkaathi]

Getting the error while trying to retrieve data from hailataxii.com with the following stix_import command.

Command:
./stix_import.py -i x.x.x.x -t 11111111-22222-33333-444444-555555555 -x 'hailataxii.com' --taxii_endpoint '/taxii-discovery-service' -c guest.Abuse_ch -r Taxii_IP -y AddressObjectType --taxii_start_time '2016-07-01 12:00:00' --taxii_end_time '2016-08-18 12:00:00'

Error:
/usr/lib/python2.7/site-packages/stix/utils/deprecated.py:48: UserWarning: The use of this field has been deprecated. Received 'datetime' object.
warnings.warn(msg)
Error posting data ["202.9.36.111"]

{"message":"Version (0.1) from header parameter (Version) has been removed and is no longer valid. Please refer to documentation for list of valid versions.","details":{},"description":"","code":41,"http_response":{"message":"The request was well-formed but was unable to be followed due to semantic errors","code":422}}
Traceback (most recent call last):
File "./stix_import.py", line 293, in
main()
File "./stix_import.py", line 266, in main
indicators += process_package_dict( args, stix_package.to_dict() )
File "./stix_import.py", line 163, in process_package_dict
response = urllib2.urlopen(req)
File "/usr/lib64/python2.7/urllib2.py", line 126, in urlopen
return _opener.open(url, data, timeout)
File "/usr/lib64/python2.7/urllib2.py", line 406, in open
response = meth(req, response)
File "/usr/lib64/python2.7/urllib2.py", line 519, in http_response
'http', request, response, code, msg, hdrs)
File "/usr/lib64/python2.7/urllib2.py", line 444, in error
return self._call_chain(_args)
File "/usr/lib64/python2.7/urllib2.py", line 378, in _call_chain
result = func(_args)
File "/usr/lib64/python2.7/urllib2.py", line 527, in http_error_default
raise HTTPError(req.get_full_url(), code, msg, hdrs, fp)
urllib2.HTTPError: HTTP Error 422: Unprocessable Entity