$ tox -e flake8 flake8 cloudinit/net/eni.py
GLOB sdist-make: /home/smoser-public/src/cloud-init/trunk/setup.py
flake8 inst-nodeps: /home/smoser-public/src/cloud-init/trunk/.tox/dist/cloud-init-0.7.7.zip
flake8 installed: cloud-init==0.7.7,configobj==5.0.6,contextlib2==0.5.3,flake8==2.5.4,hacking==0.10.2,httpretty==0.8.14,Jinja2==2.8,jsonpatch==1.14,jsonpointer==1.10,linecache2==1.0.0,MarkupSafe==0.23,mccabe==0.4.0,mock==2.0.0,nose==1.3.7,oauthlib==1.1.2,pbr==1.10.0,pep8==1.7.0,pkg-resources==0.0.0,prettytable==0.7.2,pyflakes==1.1.0,PyYAML==3.11,requests==2.10.0,six==1.10.0,traceback2==1.4.0,unittest2==1.1.0
flake8 runtests: PYTHONHASHSEED='1959602592'
flake8 runtests: commands[0] | /home/smoser-public/src/cloud-init/trunk/.tox/flake8/bin/python -m flake8 flake8 cloudinit/net/eni.py
flake8:1:1: E902 FileNotFoundError: [Errno 2] No such file or directory: 'flake8'
cloudinit/net/eni.py:395:29: W503 line break before binary operator
ERROR: InvocationError: '/home/smoser-public/src/cloud-init/trunk/.tox/flake8/bin/python -m flake8 flake8 cloudinit/net/eni.py'
__________________________________________________________________________________________________________________________________________________________ summary ___________________________________________________________________________________________________________________________________________________________
ERROR:   flake8: commands failed