def set_data_interval(self, vmin, vmax):
    self._wrapped_locator.set_data_interval(vmin, vmax)
    return DateLocator.set_data_interval(self, vmin, vmax)
def set_data_interval(self, vmin, vmax):
    self._wrapped_locator.set_data_interval(vmin, vmax)
    return DateLocator.set_data_interval(self, vmin, vmax)