def _apply_key_type(self, keys):
        typed_key = ()
        for dim, key in zip(self.kdims, keys):
            key_type = dim.type
            if key_type is None:
                typed_key += (key,)
            elif isinstance(key, slice):
                sl_vals = [key.start, key.stop, key.step]
                typed_key += (slice(*[key_type(el) if el is not None else None
                                      for el in sl_vals]),)
            elif key is Ellipsis:
                typed_key += (key,)
            elif isinstance(key, list):
                typed_key += ([key_type(k) for k in key],)
            else:
                typed_key += (key_type(key),)
        return typed_key
Lists the contents of the specified path, returning a 2-tuple of lists;
dataset/ETHPy150Open ioam/holoviews/holoviews/core/ndmapping.py/MultiDimensionalMapping._apply_key_type--crossover with--dataset/ETHPy150Open jazzband/django-queued-storage/queued_storage/backends.py/QueuedStorage.listdir