Update DiscEvalMT.py

DiscEvalMT.py

@@ -73,7 +73,8 @@ class DiscEvalMT(datasets.GeneratorBasedBuilder):
     def _info(self):
         return datasets.DatasetInfo(
             description=_DESCRIPTION,
-            features=datasets.Features({"split": datasets.Value("string"), 
+            features=datasets.Features({
+                                        "split": datasets.Value("string"), 
                                         "ex_num": datasets.Value("int64"),
                                         "type": datasets.Value("string"),
                                         "context_src": datasets.Value("string"),
@@ -99,8 +100,8 @@ class DiscEvalMT(datasets.GeneratorBasedBuilder):
         logger.info("generating examples from = %s", filepath)
         key = 0
         with open(filepath, encoding="utf-8") as f:
-            for line in f:
+            for i, line in enumerate(f):
                 
                 example = json.loads(line)
                 print(example.keys())
-                yield example['ex_num'], example
+                yield i, example