update

app.py

@@ -5,7 +5,7 @@ import gradio as gr
 def main(file, ext_threshold, article_type):
     
     if file is None or ext_threshold is None or article_type is None:
-        return 'error'
+        return 'Please confirm that the file and settings are correct.'
     
     paper = read_text_to_json(file.name)