def ScaleSmaller(self):
    """Decreases the zoom of the graph one step(0.1 units)."""
    newfactor = self._zoomfactor - 0.1
    if float(newfactor) > 0 and self._MAX_ZOOM < float(newfactor):
      self._zoomfactor = newfactor
dataset/ETHPy150Open google/transitfeed/gtfsscheduleviewer/marey_graph.py/MareyGraph.ScaleSmaller/swapped operands of `<`