swallow commit_pending_transaction kwarg for SPARQLStore

Author: gromgull

rdflib/plugins/stores/sparqlstore.py

@@ -352,6 +352,9 @@ def _is_contextual(self, graph):
         else:
             return graph.identifier != DATASET_DEFAULT_GRAPH_ID
 
+    def close(self, commit_pending_transaction=None):
+        SPARQLWrapper.close(self)
+
 
 class SPARQLUpdateStore(SPARQLStore):
     """A store using SPARQL queries for reading and SPARQL Update for changes.