code: def get_dataset(self, dataset=None, **kwargs):
          
          if dataset is not None:
              kwargs['dataset'] = dataset
  
          kwargs['context'] = 'dataset'
          if 'kind' in kwargs.keys():
              # since we switched how dataset kinds are named, let's just
              # automatically handle switching to lowercase
              kwargs['kind'] = kwargs['kind'].lower()
          return self.filter(**kwargs)
docs: Filter in the 'dataset' context
  
          :parameter str dataset: name of the dataset (optional)
          :parameter **kwargs: any other tags to do the filter
              (except dataset or context)
          :return: :class:`phoebe.parameters.parameters.ParameterSet`