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

@@ -17,8 +17,41 @@ task_categories:
 - text-classification
 task_ids:
 - topic-classification
-paperswithcode_id: null
 pretty_name: YahooAnswersTopics
+dataset_info:
+  features:
+  - name: id
+    dtype: int32
+  - name: topic
+    dtype:
+      class_label:
+        names:
+          '0': Society & Culture
+          '1': Science & Mathematics
+          '2': Health
+          '3': Education & Reference
+          '4': Computers & Internet
+          '5': Sports
+          '6': Business & Finance
+          '7': Entertainment & Music
+          '8': Family & Relationships
+          '9': Politics & Government
+  - name: question_title
+    dtype: string
+  - name: question_content
+    dtype: string
+  - name: best_answer
+    dtype: string
+  config_name: yahoo_answers_topics
+  splits:
+  - name: train
+    num_bytes: 760460695
+    num_examples: 1400000
+  - name: test
+    num_bytes: 32661362
+    num_examples: 60000
+  download_size: 319476345
+  dataset_size: 793122057
 train-eval-index:
 - config: yahoo_answers_topics
   task: text-classification
@@ -68,40 +101,6 @@ train-eval-index:
     name: Recall weighted
     args:
       average: weighted
-dataset_info:
-  features:
-  - name: id
-    dtype: int32
-  - name: topic
-    dtype:
-      class_label:
-        names:
-          0: Society & Culture
-          1: Science & Mathematics
-          2: Health
-          3: Education & Reference
-          4: Computers & Internet
-          5: Sports
-          6: Business & Finance
-          7: Entertainment & Music
-          8: Family & Relationships
-          9: Politics & Government
-  - name: question_title
-    dtype: string
-  - name: question_content
-    dtype: string
-  - name: best_answer
-    dtype: string
-  config_name: yahoo_answers_topics
-  splits:
-  - name: train
-    num_bytes: 760460695
-    num_examples: 1400000
-  - name: test
-    num_bytes: 32661362
-    num_examples: 60000
-  download_size: 319476345
-  dataset_size: 793122057
 ---
 
 # Dataset Card for "Yahoo Answers Topics"