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

@@ -7,7 +7,6 @@ language:
 - en
 license:
 - other
-license_details: yelp-licence
 multilinguality:
 - monolingual
 size_categories:
@@ -18,8 +17,31 @@ task_categories:
 - text-classification
 task_ids:
 - sentiment-classification
-paperswithcode_id: null
 pretty_name: YelpReviewFull
+license_details: yelp-licence
+dataset_info:
+  features:
+  - name: label
+    dtype:
+      class_label:
+        names:
+          '0': 1 star
+          '1': 2 star
+          '2': 3 stars
+          '3': 4 stars
+          '4': 5 stars
+  - name: text
+    dtype: string
+  config_name: yelp_review_full
+  splits:
+  - name: train
+    num_bytes: 483811554
+    num_examples: 650000
+  - name: test
+    num_bytes: 37271188
+    num_examples: 50000
+  download_size: 196146755
+  dataset_size: 521082742
 train-eval-index:
 - config: yelp_review_full
   task: text-classification
@@ -69,29 +91,6 @@ train-eval-index:
     name: Recall weighted
     args:
       average: weighted
-dataset_info:
-  features:
-  - name: label
-    dtype:
-      class_label:
-        names:
-          0: 1 star
-          1: 2 star
-          2: 3 stars
-          3: 4 stars
-          4: 5 stars
-  - name: text
-    dtype: string
-  config_name: yelp_review_full
-  splits:
-  - name: train
-    num_bytes: 483811554
-    num_examples: 650000
-  - name: test
-    num_bytes: 37271188
-    num_examples: 50000
-  download_size: 196146755
-  dataset_size: 521082742
 ---
 ---