/Users/nise/virtualenvs/monasca-agent-27/bin/python "/Applications/PyCharm CE.app/Contents/helpers/pydev/pydevd.py" --multiproc --qt-support=auto --client 127.0.0.1 --port 55239 --file "/Applications/PyCharm CE.app/Contents/helpers/pycharm/_jb_nosetest_runner.py" --target tests/test_service_plugin.py::TestKeystone.test_no_override_
Testing started at 11:53 ...
Connected to pydev debugger (build 172.3544.46)
pydev debugger: process 4699 is connecting

Launching Nosetest with arguments /Applications/PyCharm CE.app/Contents/helpers/pycharm/_jb_nosetest_runner.py tests/test_service_plugin.py:TestKeystone.test_no_override_ in /local/git/github/monasca-agent
psutil.Process(pid=1, name='launchd')

Error
Traceback (most recent call last):
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/unittest/case.py", line 331, in run
    testMethod()
  File "/local/git/github/monasca-agent/tests/test_service_plugin.py", line 32, in test_no_override_
    test_plugin = TestPlugin('.', args=args)
  File "/local/git/github/monasca-agent/tests/test_service_plugin.py", line 82, in __init__
    super(TestPlugin, self).__init__(service_params)
  File "/local/git/github/monasca-agent/monasca_setup/detection/service_plugin.py", line 90, in __init__
    super(ServicePlugin, self).__init__(template_dir, overwrite, kwargs.get('args'))
  File "/local/git/github/monasca-agent/monasca_setup/detection/plugin.py", line 33, in __init__
    self._detect()
  File "/local/git/github/monasca-agent/monasca_setup/detection/service_plugin.py", line 99, in _detect
    if find_process_cmdline(process) is not None:
  File "/local/git/github/monasca-agent/monasca_setup/detection/utils.py", line 52, in find_process_cmdline
    process_cmdline = ' '.join(process.as_dict(['cmdline'])['cmdline'])
TypeError: can only join an iterable