Update app/predictor.py

app/predictor.py

@@ -738,4 +738,8 @@ class GuideGenerator:
 # Create the global instance
 classifier = CodeClassifier()
 guide_generator = GuideGenerator()
-reviewer = AIReviewerService()
+
+class ReviewWrapper:
+    def __init__(self):
+        self.service = AIReviewerService
+reviewer = ReviewWrapper()