Update hc4-corpus.py

hc4-corpus.py

@@ -95,4 +95,4 @@ class HC4Corpus(datasets.GeneratorBasedBuilder):
 
         dataset = ir_datasets.load(f'hc4/{lang}')
         for doc in dataset.docs_iter():
-              yield doc.doc_id, {'docid': doc.doc_id, 'title': doc.title, 'url': doc.url}
+              yield doc.doc_id, {'docid': doc.doc_id, 'title': doc.title, 'text': doc.text}