Update hc4-corpus.py

hc4-corpus.py

@@ -46,7 +46,7 @@ langs = [
 _DESCRIPTION = 'dataset load script for HC4 Corpus'
 
 
-class BeirCorpus(datasets.GeneratorBasedBuilder):
+class HC4Corpus(datasets.GeneratorBasedBuilder):
     BUILDER_CONFIGS = [
         datasets.BuilderConfig(
             version=datasets.Version('1.0.0'),
@@ -95,4 +95,4 @@ class BeirCorpus(datasets.GeneratorBasedBuilder):
 
         dataset = ir_datasets.load(f'hc4/{lang}')
         for doc in dataset.docs_iter():
-              yield doc.doc_id, {'docid': doc.docid, 'title': doc.title, 'url': doc.url}
+              yield doc.doc_id, {'docid': doc.doc_id, 'title': doc.title, 'url': doc.url}