Merge pull request #371 from davidhassell/dask-set-subspace

dask: `Data._set_subspace`

Author: davidhassell

cf/data/data.py

@@ -4240,6 +4240,10 @@ def __query_wo__(self, value):
         """TODO."""
         return (self < value[0]) | (self > value[1])
 
+    def _set_subspace(self, *args, **kwargs):
+        """'cf.Data._set_subspace' is unavailable."""
+        raise NotImplementedError("'cf.Data._set_subspace' is unavailable.")
+
     @classmethod
     def concatenate(cls, data, axis=0, _preserve=True):
         """Join a sequence of data arrays together.