Update app.py

app.py

@@ -106,9 +106,9 @@ async def on_thread_create(thread):
 
 def post_to_slack_forum_version(message, channel, text, author, thread_ts=None):
     if message.attachments:
-    for attachment in message.attachments:
-        attachment_url = attachment.url
-        text += f"\nAttachment: {attachment_url}"
+        for attachment in message.attachments:
+            attachment_url = attachment.url
+            text += f"\nAttachment: {attachment_url}"
     text = f"{author}" + ": " + text
     try:
         response = slack_client.chat_postMessage(