cference@Reaper:~/Code/networking-odl$ tox -e pep8
pep8 develop-inst-nodeps: /home/cference/Code/networking-odl
pep8 runtests: PYTHONHASHSEED='1992804010'
pep8 runtests: commands[0] | flake8
Traceback (most recent call last):
  File ".tox/pep8/bin/flake8", line 9, in <module>
    load_entry_point('flake8==2.2.4', 'console_scripts', 'flake8')()
  File "/home/cference/Code/networking-odl/.tox/pep8/lib/python3.4/site-packages/flake8/main.py", line 24, in main
    flake8_style = get_style_guide(parse_argv=True, config_file=DEFAULT_CONFIG)
  File "/home/cference/Code/networking-odl/.tox/pep8/lib/python3.4/site-packages/flake8/engine.py", line 105, in get_style_guide
    kwargs['parser'], options_hooks = get_parser()
  File "/home/cference/Code/networking-odl/.tox/pep8/lib/python3.4/site-packages/flake8/engine.py", line 80, in get_parser
    parser_hook(parser)
  File "/home/cference/Code/networking-odl/.tox/pep8/lib/python3.4/site-packages/hacking/core.py", line 146, in add_options
    factory = pbr.util.resolve_name(local_check_fact)
  File "/home/cference/Code/networking-odl/.tox/pep8/lib/python3.4/site-packages/pbr/util.py", line 171, in resolve_name
    ret = __import__('.'.join(module_name), fromlist=[attr_name])
  File "/home/cference/Code/networking-odl/.tox/pep8/src/neutron/neutron/hacking/checks.py", line 51, in <module>
    for level, hint in _all_log_levels.iteritems()))
AttributeError: 'dict' object has no attribute 'iteritems'
ERROR: InvocationError: '/home/cference/Code/networking-odl/.tox/pep8/bin/flake8'
________________________________________________________________________________ summary _________________________________________________________________________________
ERROR:   pep8: commands failed