Update app.py

app.py

@@ -96,7 +96,7 @@ def handle_input(storage_location, url1, url2, scrape_interval, content_type):
     current_task = f"Monitoring URLs: {url1}, {url2}"
     history.append(f"Task started: {current_task}")
     monitor_urls(storage_location, url1, url2, scrape_interval, content_type)
-    return TASK_PROMPT.format(task=current_task, history="\n".join(history))
+    return TASK_PROMPT.format(task=current_task, history="\n".join(map(str, history)))
 
 # Load custom prompts
 try: