Fix shallow_copy of Dataset
@@ -211,11 +211,10 @@ class Dataset(Configurable):
copy = Dataset(self.config, self.folder)
copy._num_entities = self.num_entities()
copy._num_relations = self.num_relations()
- copy._entities = self._entities
- copy._relations = self._relations
copy._triples = self._triples
copy._meta = self._meta
copy._indexes = self._indexes
+ copy.index_functions = self.index_functions
return copy
## ACCESS ###########################################################################
