Update app.py

app.py

@@ -104,7 +104,7 @@ def query_hybrid_search(query: str, client: QdrantClient, collection_name: str,
             Prefetch(query=sparse_embeddings.as_object(), using="text-sparse", limit=10),
             Prefetch(query=dense_embeddings, using="text-dense", limit=10)
         ],
-        query=FusionQuery(fusion=Fusion.DBSF),
+        query=FusionQuery(fusion=Fusion.RRF),
         with_vectors=False,
         with_payload=True,
         limit=3