diff --git a/pr_review/main.py b/pr_review/main.py
index 9ee4152..0448804 100644
--- a/pr_review/main.py
+++ b/pr_review/main.py
@@ -56,6 +56,7 @@ def process_pull_request(self, repo: str, pr_number: int, experience_level: str
         Returns:
             Processing results
         """
+        results = {}
         try:
             logger.info(f"Processing PR #{pr_number} in {repo}")