[centos@devtest nova]$ tox -ebindep
bindep create: /home/centos/nova/.tox/bindep
bindep installdeps: bindep
bindep installed: appdirs==1.4.3,bindep==2.4.0,packaging==16.8,Parsley==1.3,pbr==3.0.1,pyparsing==2.2.0,six==1.10.0
bindep runtests: PYTHONHASHSEED='1294011549'
bindep runtests: commands[0] | bindep test
Traceback (most recent call last):
  File "/home/centos/nova/.tox/bindep/bin/bindep", line 11, in <module>
    sys.exit(main())
  File "/home/centos/nova/.tox/bindep/lib/python2.7/site-packages/bindep/main.py", line 62, in main
    profiles = profiles + depends.platform_profiles()
  File "/home/centos/nova/.tox/bindep/lib/python2.7/site-packages/bindep/depends.py", line 231, in platform_profiles
    stderr=subprocess.STDOUT).decode(getpreferredencoding(False))
  File "/usr/lib64/python2.7/subprocess.py", line 568, in check_output
    process = Popen(stdout=PIPE, *popenargs, **kwargs)
  File "/usr/lib64/python2.7/subprocess.py", line 711, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.7/subprocess.py", line 1327, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory
ERROR: InvocationError: '/home/centos/nova/.tox/bindep/bin/bindep test'
______________________________________________________ summary ______________________________________________________
ERROR:   bindep: commands failed