Trying to fix the features definition

rag-rfb.py

@@ -103,14 +103,27 @@ class RAG_RFB(datasets.GeneratorBasedBuilder):
                 "question_number": datasets.Value("string"),
                 "question_summary": datasets.Value("string"),
                 "question_text": datasets.Value("string"),
-                "answer": datasets.Value("list"),
-                "answer_cleaned": datasets.Value("list"),
-                "references": datasets.Value("list"),
-                "linked_questions": datasets.Value("list"),
-                "formatted_references": datasets.Value("list"),
-                "embedded_references": datasets.Value("list"),
-                "formatted_embedded_references": datasets.Value("list"),
-                "all_formatted_references": datasets.Value("list"),
+                "answer": datasets.Sequence(datasets.Value("string"), length=-1), 
+                "answer_cleaned": datasets.Sequence(datasets.Value("string"), length=-1), 
+                "references": datasets.Sequence(datasets.Value("string"), length=-1), 
+                "linked_questions": datasets.Sequence(datasets.Value("string"), length=-1), 
+
+                "formatted_references": datasets.Sequence({"título": datasets.Value("string"),
+                                                           "artigos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "anexos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "file": datasets.Value("string")}),
+
+                "embedded_references": datasets.Sequence(datasets.Value("string"), length=-1), 
+                
+                "formatted_embedded_references":  datasets.Sequence({"título": datasets.Value("string"),
+                                                           "artigos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "anexos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "file": datasets.Value("string")}),
+
+                "all_formatted_references":  datasets.Sequence({"título": datasets.Value("string"),
+                                                           "artigos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "anexos": datasets.Sequence(datasets.Value("string"), length=-1),
+                                                           "file": datasets.Value("string")})
             }
         else:
             features = {