Replace YAML keys from int to str (#2)

- Replace YAML keys from int to str (8662b5d79a85b160d959c92a4a115e46915f3b45)

README.md

@@ -17,7 +17,6 @@ task_categories:
 - token-classification
 task_ids:
 - named-entity-recognition
-paperswithcode_id: null
 pretty_name: Bc2GmCorpus
 dataset_info:
   features:
@@ -29,9 +28,9 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-GENE
-          2: I-GENE
+          '0': O
+          '1': B-GENE
+          '2': I-GENE
   config_name: bc2gm_corpus
   splits:
   - name: train