Using retina window option for high quality drawing

Builder
1

OS (e.g. Win10): MacOS 10.12.2
PsychoPy version : 1.84.2
Standard Standalone? (y/n) Y

Has anyone had any luck using the useRetina option for the Window class on OS X? I get an error when I try to set it to True:

Traceback (most recent call last):
  File "xxx/visualSearch_MRM.py", line 56, in <module>
    blendMode='avg', useFBO=True, useRetina=True)
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/psychopy/visual/window.py", line 340, in __init__
    self._setupGL()
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/psychopy/visual/window.py", line 1549, in _setupGL
    self._setupPyglet()
  File "/Applications/PsychoPy2.app/Contents/Resources/lib/python2.7/psychopy/visual/window.py", line 1420, in _setupPyglet
    view = self.context._nscontext.view()
AttributeError: 'Window' object has no attribute 'context'
Exception AttributeError: "'Window' object has no attribute 'useNativeGamma'" in <bound method Window.__del__ of <psychopy.visual.window.Window object at 0x111befb50>> ignored