fix dataset loading script

d3fend.py

@@ -24,18 +24,14 @@ class D3FENDDatasetBuilder(GeneratorBasedBuilder):
     
     def _split_generators(self, dl_manager):
         # Download and extract the dataset
-        path = dl_manager.download_and_extract(["d3fend.nt.gz"])
-        
+        extracted = dl_manager.download_and_extract("d3fend.nt.gz")
+
         return [SplitGenerator(name=datasets.Split.TRAIN, 
-                               gen_kwargs={'filepath': path})]
+                               gen_kwargs={'filepath': extracted})]
     
     def _generate_examples(self, filepath):
         id_ = 0
         graph = Graph(bind_namespaces="core")
-        graph.bind("d3f", D3F)
-        graph.bind("dcterms", DCTERMS)
-        graph.bind("skos", SKOS)
-        graph.bind("dcam", DCAM)
         graph.parse(filepath)
         # Yield individual triples from the graph as N3
         for (s, p, o) in graph.triples((None, None, None)):