Replace YAML keys from int to str

README.md

@@ -27,16 +27,16 @@ dataset_info:
     dtype:
       class_label:
         names:
-          0: '0'
-          1: '1'
-          2: '2'
-          3: '3'
-          4: '4'
-          5: '5'
-          6: '6'
-          7: '7'
-          8: '8'
-          9: '9'
+          '0': '0'
+          '1': '1'
+          '2': '2'
+          '3': '3'
+          '4': '4'
+          '5': '5'
+          '6': '6'
+          '7': '7'
+          '8': '8'
+          '9': '9'
   config_name: mnist
   splits:
   - name: train