Update dataset_previews.py

dataset_previews.py

@@ -37,7 +37,7 @@ def mmlupro_dataset_preview() -> Dict[str, Any]:
             # Read existing preview file
             with open(preview_file, 'r') as f:
                 preview_data = json.load(f)
-            return format_preview_for_display(preview_data)
+            return preview_data
         except Exception as e:
             print(f"Error reading preview file: {e}")
             # If file exists but can't be read, regenerate it
@@ -83,7 +83,7 @@ def mmlupro_dataset_preview() -> Dict[str, Any]:
     except Exception as e:
         print(f"Error writing preview file: {e}")
     
-    return format_preview_for_display(preview_data)
+    return preview_data
 
 def format_preview_for_display(preview_data: Dict[str, Any]) -> pd.DataFrame:
     """