code: def get_feature(self, feature=None, **kwargs):
          
          if feature is not None:
              kwargs['feature'] = feature
          kwargs['context'] = 'feature'
          return self.filter(**kwargs)
docs: Filter in the 'proerty' context
  
          :parameter str feature: name of the feature (optional)
          :parameter **kwargs: any other tags to do the filter
              (except component or context)
          :return: :class:`phoebe.parameters.parameters.ParameterSet`