docs: def get_coord_idims(self, coords):
          """Get the slicers for the given coordinates from the base dataset
  
          This method converts `coords` to slicers (list of
          integers or ``slice`` objects)
  
          Parameters
          ----------
          coords: dict
              A subset of the ``ds.coords`` attribute of the base dataset
              :attr:`ds`
  
          Returns
          -------
          dict
              Mapping from coordinate name to integer, list of integer or slice
          """
          ret = dict(
              (label, get_index_from_coord(coord, self.ds.indexes[label]))
              for label, coord in six.iteritems(coords)
              if label in self.ds.indexes)
          return ret