Update app.py

app.py

@@ -93,7 +93,7 @@ if uploaded_files:
         # Hybrid Retriever class
         class HybridRetriever(BaseRetriever):
             def __init__(self, vector_retriever, bm25_retriever):
-                # self.vector_retriever = vector_retriever
+                self.vector_retriever = vector_retriever
                 self.bm25_retriever = bm25_retriever
                 super().__init__()