Testing without k=5 retrieval

app.py

@@ -25,7 +25,7 @@ llm = ChatOpenAI(model_name=llm_name, temperature=0.7,
 
 qa_chain = RetrievalQA.from_chain_type(
     llm,
-    retriever=vectordb.as_retriever(search_kwargs={"k": 5})
+    retriever=vectordb.as_retriever()
 )