Update app.py

app.py

@@ -143,7 +143,7 @@ def process_urls(url_input, bulk_toggle, action_radio, max_urls, crawl_depth, pr
     # Validate all URLs
     invalid_urls = [url for url in urls if not validate_url(url)]
     if invalid_urls:
-        return None, f"Invalid URLs detected: {', '.join(invalid_urls)}"
+        return gr.FileData(None, "error.zip"), f"Invalid URLs detected: {', '.join(invalid_urls)}"
     
     scraped_data = []
     screenshots = []
@@ -235,7 +235,8 @@ def process_urls(url_input, bulk_toggle, action_radio, max_urls, crawl_depth, pr
         'changes_detected': changes_log
     }
     
-    return zip_bytes, json.dumps(display_data, indent=2)
+    # Return ZIP file data and display data
+    return gr.FileData(zip_bytes, "results.zip"), json.dumps(display_data, indent=2)
 
 def create_interface():
     """Create the Gradio interface."""