def _prepare(self):
        self.utils.value = salt.loader.utils(self.opts.value)
        self.modules.value = salt.loader.minion_mods(self.opts.value, utils=self.utils.value)
        self.returners.value = salt.loader.returners(self.opts.value, self.modules.value)
        self.schedule = salt.utils.schedule.Schedule(
                self.opts.value,
                self.modules.value,
                self.returners.value)
For each marker that is selected, create and insert a new marker before it
dataset/ETHPy150Open saltstack/salt/salt/daemons/flo/core.py/SaltSchedule._prepare--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/contrib/cdat/graphics_method_controller.py/QTaylorMarkers.insertMarkers