def register(self, model_id, entry_point):
        ''' Register an model

        Args:
            model_id (string): the name of the model
            entry_point (string): a string the indicates the location of the model class
        '''
        if model_id in self.model_specs:
            raise ValueError('Cannot re-register model_id: {}'.format(model_id))
        self.model_specs[model_id] = ModelSpec(model_id, entry_point)
 Register an model

        Args:
            model_id (string): the name of the model
            entry_point (string): a string the indicates the location of the model class
        
rlcard/models/registration.py