code: def initialize(self, cfg_file=None, mode=None):
          
          self.sim = ScipyOdeSimulator(self.model)
          self.state = numpy.array(copy.copy(self.sim.initials)[0])
          self.time = numpy.array(0.0)
          self.status = 'initialized'
docs: Initialize the model for simulation, possibly given a config file.
  
          Parameters
          ----------
          cfg_file : Optional[str]
              The name of the configuration file to load, optional.