Update msmarco-passage-corpus.py

msmarco-passage-corpus.py

@@ -72,6 +72,7 @@ class MsMarcoPassage(datasets.GeneratorBasedBuilder):
         """Yields examples."""
         for filepath in files:
             with open(filepath, encoding="utf-8") as f:
-                for i, text in enumerate(f):
-                    text = json.loads(text)
-                    yield i, text
+                for i, line in enumerate(f):
+                    line = line.trip().split('\t')
+                    item = {'_id': line[0], 'text': line[1]}
+                    yield i, item