Update app.py

app.py

@@ -70,7 +70,7 @@ with gr.Blocks(css="style.css",theme='xiaobaiyuan/theme_land') as demo:
             summary_btn.click( extractor._refine_summary,[upload_button],summary)  
            
             ex= HeadingsExtractor()
-            heading_btn.click(ex.extract_headings,upload_button,heading)
+            heading_btn.click(ex.extract_text,upload_button,heading)
             
             tags_btn.click(Tags.extract_tags,summary,tags)
             key_value_btn.click( KeyValue.extract_key_value_pair,summary,key_value)