'coordinates: should we show the coordinates on the right?'

def __init__(self, canvas, parent, coordinates=True):

    self.canvas = canvas
    self.parent = parent
    self.coordinates = coordinates
    self._actions = {}
    u'A    mapping    of    toolitem    method    names    to    their    QActions'
    QtWidgets.QToolBar.__init__(self, parent)
    NavigationToolbar2.__init__(self, canvas)
