Replace YAML keys from int to str (#1)

- Replace YAML keys from int to str (37191cea9f5c3bb59fd8da0f55f93b3a6e08f836)

README.md

@@ -35,9 +35,9 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: hate-speech
-          1: offensive-language
-          2: neither
+          '0': hate-speech
+          '1': offensive-language
+          '2': neither
   - name: tweet
     dtype: string
   splits: