[raies@localhost network]$ nosetests -sv test_networks.py:NetworksTestJSON.test_list_networks
ERROR

======================================================================
ERROR: test suite for <class 'tempest.api.network.test_networks.NetworksTestJSON'>
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Traceback (most recent call last):
  File "/usr/lib/python2.7/site-packages/nose/suite.py", line 208, in run
    self.setUp()
  File "/usr/lib/python2.7/site-packages/nose/suite.py", line 291, in setUp
    self.setupContext(ancestor)
  File "/usr/lib/python2.7/site-packages/nose/suite.py", line 314, in setupContext
    try_run(context, names)
  File "/usr/lib/python2.7/site-packages/nose/util.py", line 469, in try_run
    return func()
  File "/home/raies/tempest_testing/tempest/tempest/api/network/test_networks.py", line 59, in setUpClass
    super(NetworksTestJSON, cls).setUpClass()
  File "/home/raies/tempest_testing/tempest/tempest/api/network/base.py", line 54, in setUpClass
    os = clients.Manager(interface=cls._interface)
  File "/home/raies/tempest_testing/tempest/tempest/clients.py", line 266, in __init__
    self.token_client = TokenClientJSON(self.config)
  File "/home/raies/tempest_testing/tempest/tempest/services/identity/json/identity_client.py", line 249, in __init__
    if 'tokens' not in auth_url:
TypeError: argument of type 'NoneType' is not iterable

----------------------------------------------------------------------
Ran 0 tests in 0.004s

FAILED (errors=1)