Early return for emprt dataset id

text_classification_ui_helpers.py

@@ -73,11 +73,14 @@ def get_dataset_splits(dataset_id, dataset_config):
         logger.warning(
             f"Check your dataset {dataset_id} and config {dataset_config}: {e}"
         )
-        return gr.update(visible=False)
+    return gr.update(visible=False)
 
 
 def check_dataset(dataset_id):
     logger.info(f"Loading {dataset_id}")
+    if not dataset_id or len(dataset_id) == 0:
+        return (gr.update(visible=False), gr.update(visible=False), "")
+
     try:
         configs = datasets.get_dataset_config_names(dataset_id, trust_remote_code=True)
         if len(configs) == 0:
@@ -101,7 +104,7 @@ def check_dataset(dataset_id):
             # Unknown error
             gr.Warning(get_dataset_fetch_error_raw(e))
 
-        return (gr.update(visible=False), gr.update(visible=False), "")
+    return (gr.update(visible=False), gr.update(visible=False), "")
 
 
 def empty_column_mapping(uid):