dictionary structure of X_API_CREDENTIALS

foodie_engagement_tweet.py

@@ -126,7 +126,7 @@ def get_reference_date():
 
 def generate_engagement_tweet(author):
     """Generate an engagement tweet using author background themes."""
-    credentials = next((cred for cred in X_API_CREDENTIALS if cred["username"] == author["username"]), None)
+    credentials = X_API_CREDENTIALS.get(author["username"])
     if not credentials:
         logging.error(f"No X credentials found for {author['username']}")
         return None