the tricircle can not create float ip

ft1.13: tricircle.tests.unit.network.test_central_plugin.PluginTest.test_create_floatingip_StringException: Traceback (most recent call last):
  File "/home/zuul/src/opendev.org/openstack/tricircle/.tox/py27/local/lib/python2.7/site-packages/mock/mock.py", line 1330, in patched
    return func(*args, **keywargs)
  File "tricircle/tests/unit/network/test_central_plugin.py", line 3637, in test_create_floatingip
    fake_plugin)
  File "tricircle/tests/unit/network/test_central_plugin.py", line 3285, in _prepare_associate_floatingip_test
    fip = fake_plugin.create_floatingip(q_ctx, {'floatingip': fip_body})
  File "tricircle/network/central_plugin.py", line 1957, in create_floatingip
    initial_status=constants.FLOATINGIP_STATUS_DOWN)
  File "/home/zuul/src/opendev.org/openstack/tricircle/.tox/py27/local/lib/python2.7/site-packages/neutron_lib/db/api.py", line 233, in wrapped
    return method(*args, **kwargs)
  File "/home/zuul/src/opendev.org/openstack/tricircle/.tox/py27/local/lib/python2.7/site-packages/neutron/db/l3_db.py", line 1443, in create_floatingip
    return self._create_floatingip(context, floatingip, initial_status)
  File "/home/zuul/src/opendev.org/openstack/tricircle/.tox/py27/local/lib/python2.7/site-packages/neutron/db/l3_db.py", line 1424, in _create_floatingip
    'project_id': fip['tenant_id']}})
KeyError: 'tenant_id'