old_contents: from ktbs_bench.benchable_store import BenchableStore
  import rdflib
  
  rdflib.plugin.register('BN', rdflib.store.Store, 'ktbs_bench.bnsparqlstore', 'SPARQLUpdateStore')
  
  
  def get_sparqlstore(query_endpoint, update_endpoint, identifier="http://localhost/generic_sparqlstore/"):
      triple_store = BenchableStore(store='BN', identifier=identifier,
                                    connect_args={'configuration': (query_endpoint, update_endpoint)})
      return triple_store
  
new_contents: from ktbs_bench.benchable_store import BenchableStore
  import rdflib
  
  rdflib.plugin.register('BN', rdflib.store.Store, 'ktbs_bench.bnsparqlstore', 'SPARQLUpdateStore')
  
  
  def get_sparqlstore(query_endpoint, update_endpoint, identifier="http://localhost/generic_sparqlstore/"):
      triple_store = BenchableStore(store='BN', graph_id=identifier,
                                    store_config=(query_endpoint, update_endpoint))
      return triple_store
  
subject: Fix sparqlstore getter to use the new BenchableStore init