Fixed crash, realized I need to invite bot to channel with /invite @[bot name]

slack-bot-testing.py

@@ -15,7 +15,7 @@ print('I am running.')
 
 @slack.RTMClient.run_on(event='message')
 def say_hello(**payload):
-    print('I\'m in.')
+    print(payload['data'])
     data = payload['data']
     web_client = payload['web_client']
     rtm_client = payload['rtm_client']
@@ -27,8 +27,7 @@ def say_hello(**payload):
 
             web_client.chat_postMessage(
                 channel=channel_id,
-                text="Hi <@{user}>!",
-                thread_ts=thread_ts
+                text=f"Hi <@{user}>!",
             )
     except:
         print('lmao wtf')