Update app.py

app.py

@@ -88,7 +88,7 @@ if uploaded_files:
 
         # Retrieval
         bm25_retriever = BM25Retriever.from_defaults(nodes=nodes, similarity_top_k=1)
-        vector_retriever = index.as_retriever(similarity_top_k=3)
+        vector_retriever = index.as_retriever(similarity_top_k=1)
 
         # Hybrid Retriever class
         class HybridRetriever(BaseRetriever):
@@ -109,11 +109,11 @@ if uploaded_files:
             #     return all_nodes
 
             def _retrieve(self, query, **kwargs):
-                bm25_nodes = self.bm25_retriever.retrieve(query, **kwargs)
-                # vector_nodes = self.vector_retriever.retrieve(query, **kwargs)
+                # bm25_nodes = self.bm25_retriever.retrieve(query, **kwargs)
+                vector_nodes = self.vector_retriever.retrieve(query, **kwargs)
                 all_nodes = []
                 node_ids = set()
-                for n in bm25_nodes:
+                for n in vector_nodes:
                     if n.node.node_id not in node_ids:
                         all_nodes.append(n)
                         node_ids.add(n.node.node_id)