try

foodie_engagement_tweet.py

@@ -9,7 +9,15 @@ import os
 import time
 from datetime import datetime, timedelta, timezone
 from openai import OpenAI
-from foodie_utils import post_tweet, AUTHORS, SUMMARY_MODEL, check_author_rate_limit, load_json_file, update_system_activity
+from foodie_utils import (
+    post_tweet,
+    AUTHORS,
+    SUMMARY_MODEL,
+    check_author_rate_limit,
+    load_json_file,
+    update_system_activity,
+    get_next_author_round_robin  # Added import
+)
 from foodie_config import X_API_CREDENTIALS, AUTHOR_BACKGROUNDS_FILE
 from dotenv import load_dotenv