Update NQ_squad_format.py

NQ_squad_format.py

@@ -116,12 +116,12 @@ class Squad(datasets.GeneratorBasedBuilder):
         logger.info("generating examples from = %s", filepath)
         key = 0
         with open(filepath, encoding="utf-8") as f:
-            squad = json.load(f)
-            for line in squad:
-                yield key, {
-                    "context": line['context'],
-                    "question": line["question"],
-                    "id": line["id"],
-                    "answers": line['answers']
-                }
-                key += 1
+            data = json.load(f)
+        for line in data:
+            yield key, {
+                "context": line['context'],
+                "question": line["question"],
+                "id": line["id"],
+                "answers": line['answers']
+            }
+            key += 1