matrix:120:load_suites: Parsing /home/petevg/Code/matrix/matrix/matrix.yaml
matrix:120:load_suites: Parsing /home/petevg/Code/bigtop.hadoop/bigtop-deploy/juju/hadoop-processing/
asyncio:1148:default_exception_handler: Task exception was never retrieved
future: <Task finished coro=<__call__() done, defined at /home/petevg/Code/matrix/matrix/rules.py:370> exception=IsADirectoryError(21, 'Is a directory')>
Traceback (most recent call last):
  File "/usr/lib/python3.5/asyncio/tasks.py", line 239, in _step
    result = coro.send(None)
  File "/home/petevg/Code/matrix/matrix/rules.py", line 372, in __call__
    context = self.load_suite()
  File "/home/petevg/Code/matrix/matrix/rules.py", line 149, in load_suite
    tests = load_suites(filenames)
  File "/home/petevg/Code/matrix/matrix/rules.py", line 121, in load_suites
    with open(filename) as fp:
IsADirectoryError: [Errno 21] Is a directory: '/home/petevg/Code/bigtop.hadoop/bigtop-deploy/juju/hadoop-processing/'