Update poquad.py

poquad.py

@@ -99,6 +99,7 @@ class SquadV2(datasets.GeneratorBasedBuilder):
         # TODO(squad_v2): Yields (key, example) tuples from the dataset
         with open(filepath, encoding="utf-8") as f:
             squad = json.load(f)
+            id_ = 0
             for example in squad["data"]:
                 title = example.get("title", "")
                 paragraph_id = example["id"]
@@ -113,7 +114,8 @@ class SquadV2(datasets.GeneratorBasedBuilder):
                         is_impossible = qa["is_impossible"]
                         # Features currently used are "context", "question", and "answers".
                         # Others are extracted here for the ease of future expansions.
-                        yield {
+                        id_ += 1
+                        yield id_, {
                             "title": title,
                             "context": context,
                             "question": question,