Replace YAML keys from int to str (#2)

- Replace YAML keys from int to str (d3bba411e86c37d12c9e317758a3f198892c3b4d)

README.md

@@ -29,19 +29,19 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-ORGANIZACAO
-          2: I-ORGANIZACAO
-          3: B-PESSOA
-          4: I-PESSOA
-          5: B-TEMPO
-          6: I-TEMPO
-          7: B-LOCAL
-          8: I-LOCAL
-          9: B-LEGISLACAO
-          10: I-LEGISLACAO
-          11: B-JURISPRUDENCIA
-          12: I-JURISPRUDENCIA
+          '0': O
+          '1': B-ORGANIZACAO
+          '2': I-ORGANIZACAO
+          '3': B-PESSOA
+          '4': I-PESSOA
+          '5': B-TEMPO
+          '6': I-TEMPO
+          '7': B-LOCAL
+          '8': I-LOCAL
+          '9': B-LEGISLACAO
+          '10': I-LEGISLACAO
+          '11': B-JURISPRUDENCIA
+          '12': I-JURISPRUDENCIA
   config_name: lener_br
   splits:
   - name: train