fix: update potential record to json conversion

app.py

@@ -33,13 +33,17 @@ def process_fields(fields):
 def process_records_gradio(records, fields, question, example_records=None):
     try:
         # Convert string inputs to dictionaries
-        records = json.loads(records)
-        example_records = json.loads(example_records) if example_records else None
-        fields = process_fields(fields) if fields else None
-        question = json.loads(question) if question else None
+        records = json.loads(records) if isinstance(records, str) else records
+        example_records = (
+            json.loads(example_records)
+            if example_records and isinstance(example_records, str)
+            else example_records
+        )
+        fields = process_fields(fields) if isinstance(fields, str) else fields
+        question = json.loads(question) if isinstance(question, str) else question
 
         if not fields and not question:
-            return "Error: Either fields or question must be provided"
+            raise Exception("Error: Either fields or question must be provided")
 
         runtime_parameters = {"fields": fields, "question": question}
         if example_records:
@@ -110,6 +114,7 @@ interface = gr.Interface(
         gr.Code(label="Question (JSON, optional)", language="json"),
     ],
     examples=examples,
+    cache_examples=True,
     outputs=gr.Code(label="Suggestions", language="json", lines=10),
     title="Distilabel - ArgillaLabeller - Record Processing Interface",
     description=description,