Open Stack

Hi
I have run tempest full test multiple times based on the latest code base
of master, but it always failed here:
I have checked the heat code , i don't find any reason why  extract_args
can't be imported.
Could anybody help, thanks!

======================================================================
FAIL: tempest.api.orchestration.stacks.test_stacks.StacksTestJSON.test_stack_crud_no_resources[gate,smoke]
tempest.api.orchestration.stacks.test_stacks.StacksTestJSON.test_stack_crud_no_resources[gate,smoke]
----------------------------------------------------------------------
_StringException: Empty attachments:
  stderr
  stdout

Traceback (most recent call last):
  File "tempest/api/orchestration/stacks/test_stacks.py", line 50, in
test_stack_crud_no_resources
    stack_name, self.empty_template)
  File "tempest/api/orchestration/base.py", line 70, in create_stack
    parameters=parameters)
  File "tempest/services/orchestration/json/orchestration_client.py",
line 57, in create_stack
    resp, body = self.post(uri, headers=headers, body=body)
  File "tempest/common/rest_client.py", line 259, in post
    return self.request('POST', url, headers, body)
  File "tempest/common/rest_client.py", line 387, in request
    resp, resp_body)
  File "tempest/common/rest_client.py", line 437, in _error_checker
    raise exceptions.BadRequest(resp_body)
BadRequest: Bad request
Details: {u'title': u'Bad Request', u'explanation': u'The server could
not comply with the request since it is either malformed or otherwise
incorrect.', u'code': 400, u'error': {u'message': u"'module' object
has no attribute 'extract_args'", u'traceback': u'Traceback (most
recent call last):\n\n  File
"/opt/stack/new/heat/heat/openstack/common/rpc/amqp.py", line 435, in
_process_data\n    **args)\n\n  File
"/opt/stack/new/heat/heat/openstack/common/rpc/dispatcher.py", line
172, in dispatch\n    result = getattr(proxyobj, method)(ctxt,
**kwargs)\n\n  File "/opt/stack/new/heat/heat/engine/service.py", line
55, in wrapped\n    return func(self, ctx, *args, **kwargs)\n\n  File
"/opt/stack/new/heat/heat/engine/service.py", line 248, in
create_stack\n    common_params =
api.extract_args(args)\n\nAttributeError: \'module\' object has no
attribute \'extract_args\'\n', u'type': u'AttributeError'}}


======================================================================
FAIL: process-returncode
process-returncode
----------------------------------------------------------------------
_StringException: Binary content:
  traceback (test/plain; charset="utf8")


----------------------------------------------------------------------
Ran 1177 tests in 2383.519s

FAILED (failures=2, skipped=65)
Test id
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