KeyPressEvent fails in DefaultROI selection

[alexblaessle]

KeyPressEvent callback is somehow now working. Error message:

Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/matplotlib/backends/backend_qt5.py", line 315, in keyPressEvent
    FigureCanvasBase.key_press_event(self, key)
  File "/usr/local/lib/python2.7/dist-packages/matplotlib/backend_bases.py", line 1833, in key_press_event
    self.callbacks.process(s, event)
  File "/usr/local/lib/python2.7/dist-packages/matplotlib/cbook.py", line 540, in process
    proxy(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/matplotlib/cbook.py", line 415, in __call__
    return mtd(*args, **kwargs)
TypeError: keyPressed() takes exactly 1 argument (2 given)