Fix accessing user token in checkping command

Author: TimJentzsch

bubbles/commands/check_ping.py

@@ -7,9 +7,7 @@
 def check_ping(payload: Payload) -> None:
     """!check_ping [user] - Manually trigger a transcription check ping."""
     tokens = payload.cleaned_text.split()
-
-    user_raw = tokens.get(1)
-    user_filter = parse_user(user_raw) if user_raw is not None else None
+    user_filter = parse_user(tokens[1]) if len(tokens) > 1 else None
 
     transcription_check_ping(payload.get_channel(), user_filter=user_filter, start_now=True)