old_contents: import driver
  import lib.lib as lib
  from hardware.dmcc_motor import DMCCMotorSet
  
  
  class OmniDriver(driver.Driver):
  
new_contents: import driver
  import lib.lib as lib
  from hardware.dmcc_motor import DMCCMotorSet
  
  
  class OmniDriver(driver.Driver):
      """Subclass of Driver for movement with omni wheels"""
      
      def __init__(self, mode = 'power'):
          """Run superclass's init, build motor abstraction object."""
          super(OmniDriver, self).__init__()
          
          # Create motor objects
          motor_config = self.config['dmcc_drive_motors']
          self.motors = DMCCMotorSet(motor_config)
          self.mode = mode
          
      def __str__(self):
          """Show status of motors."""
          return "fr: {}, fl: {} br: {}, bl: {}".format(
              self.motors["front_right"],
              self.motors["front_left"],
              self.motors["back_right"],
              self.motors["back_left"])
      
      
      
subject: define init function and str of omni drive