Executing state pip.installed for boto
[ERROR   ] An exception occurred in this state: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/salt/state.py", line 1703, in call
    **cdata['kwargs'])
  File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1649, in wrapper
    return f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/salt/states/pip_state.py", line 592, in installed
    out = _check_pkg_version_format(pkg)
  File "/usr/lib/python2.7/dist-packages/salt/states/pip_state.py", line 176, in _check_pkg_version_format
    ret['prefix'] = install_req.req.project_name
AttributeError: 'Requirement' object has no attribute 'project_name'
[INFO    ] Completed state [boto] at time 06:48:43.751147 duration_in_ms=2.758
[INFO    ] Running state [six>=1.5.2] at time 06:48:43.751598
[INFO    ] Executing state pip.installed for six>=1.5.2
[ERROR   ] An exception occurred in this state: Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/salt/state.py", line 1703, in call
    **cdata['kwargs'])
  File "/usr/lib/python2.7/dist-packages/salt/loader.py", line 1649, in wrapper
    return f(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/salt/states/pip_state.py", line 592, in installed
    out = _check_pkg_version_format(pkg)
  File "/usr/lib/python2.7/dist-packages/salt/states/pip_state.py", line 176, in _check_pkg_version_format
    ret['prefix'] = install_req.req.project_name
AttributeError: 'Requirement' object has no attribute 'project_name'
[INFO    ] Completed state [six>=1.5.2] at time 06:48:43.752768 duration_in_ms=1.17