Replace YAML keys from int to str (#1)

- Replace YAML keys from int to str (4d4e89ef73616874ff8d43599e53c3c4d63fc9f1)

README.md

@@ -1,6 +1,5 @@
 ---
 pretty_name: Sogou News
-paperswithcode_id: null
 dataset_info:
   features:
   - name: title
@@ -11,11 +10,11 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: sports
-          1: finance
-          2: entertainment
-          3: automobile
-          4: technology
+          '0': sports
+          '1': finance
+          '2': entertainment
+          '3': automobile
+          '4': technology
   splits:
   - name: test
     num_bytes: 168645860