Update app.py

app.py

@@ -310,7 +310,7 @@ with gr.Blocks() as demo:
     def on_start_click(target_urls_str: str, storage_loc: str, feed_enabled: bool):
         global history, url_monitoring_intervals
         try:
-            target_urls = [url.strip() for url.strip() in target_urls_str.split(",")]
+            target_urls = [url.strip() for url in target_urls_str.split(",")]
             if not all(target_urls):
                 return "Please enter valid URLs.", history