Replace YAML keys from int to str

Replace YAML metadata integer keys with strings, as the Hub does not support integers.
See: https://github.com/huggingface/datasets/issues/5275

README.md

@@ -26,7 +26,6 @@ task_categories:
 - token-classification
 task_ids:
 - named-entity-recognition
-paperswithcode_id: null
 pretty_name: MasakhaNER
 configs:
 - am
@@ -50,15 +49,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 639911
@@ -81,15 +80,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 929848
@@ -112,15 +111,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 749196
@@ -143,15 +142,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 878746
@@ -174,15 +173,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 611917
@@ -205,15 +204,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 314995
@@ -236,15 +235,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 868229
@@ -267,15 +266,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 1001120
@@ -298,15 +297,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 602076
@@ -329,15 +328,15 @@ dataset_info:
     sequence:
       class_label:
         names:
-          0: O
-          1: B-PER
-          2: I-PER
-          3: B-ORG
-          4: I-ORG
-          5: B-LOC
-          6: I-LOC
-          7: B-DATE
-          8: I-DATE
+          '0': O
+          '1': B-PER
+          '2': I-PER
+          '3': B-ORG
+          '4': I-ORG
+          '5': B-LOC
+          '6': I-LOC
+          '7': B-DATE
+          '8': I-DATE
   splits:
   - name: train
     num_bytes: 1016741