openaps-lp missing units device

console

pi@openaps-lp:~/openaps-lp-01 $ openaps report invoke settings/bg-targets.json
Traceback (most recent call last):
  File "/usr/local/bin/openaps-report", line 4, in <module>
    __import__('pkg_resources').run_script('openaps==0.1.5', 'openaps-report')
  File "/usr/local/lib/python2.7/dist-packages/setuptools-23.0.0-py2.7.egg/pkg_resources/__init__.py", line 719, in run_script
  File "/usr/local/lib/python2.7/dist-packages/setuptools-23.0.0-py2.7.egg/pkg_resources/__init__.py", line 1504, in run_script
  File "/usr/local/lib/python2.7/dist-packages/openaps-0.1.5-py2.7.egg/EGG-INFO/scripts/openaps-report", line 82, in <module>
    app( )
  File "/usr/local/lib/python2.7/dist-packages/openaps-0.1.5-py2.7.egg/openaps/cli/__init__.py", line 51, in __call__
    self.run(self.args)
  File "/usr/local/lib/python2.7/dist-packages/openaps-0.1.5-py2.7.egg/EGG-INFO/scripts/openaps-report", line 75, in run
    output = app(args, self)
  File "/usr/local/lib/python2.7/dist-packages/openaps-0.1.5-py2.7.egg/openaps/cli/subcommand.py", line 52, in __call__
    return self.method.main(args, app)
  File "/usr/local/lib/python2.7/dist-packages/openaps-0.1.5-py2.7.egg/openaps/reports/invoke.py", line 23, in main
    device = app.devices[report.fields['device']]
KeyError: 'units'

openaps.ini

[report "settings/bg-targets.json"]
device = units
to = mg/dL
use = bg_targets
input = raw-pump/bg-targets-raw.json
reporter = JSON