code: def get_module_parser(mod, modname, parents=[], add_help=True):
      
      return argparse.ArgumentParser(
          usage=configuration.EXECUTABLE_NAME + ' ' + modname + ' [options]',
          description=mod.get_description(), parents=parents,
          add_help=add_help)
docs: Returns an argument parser for the sub-command's CLI.
  
       :param mod: the sub-command's python module
       :param modnam: the string name of the python module
       :return: ArgumentParser