Update app.py

app.py

@@ -52,7 +52,7 @@ chain_type_kwargs = {"prompt": PROMPT}
 
 llm = HuggingFaceHub(repo_id="google/flan-ul2", model_kwargs={"temperature":0.1, "max_new_tokens":250})
 
-qachain=RetrievalQA.from_chain_type(llm, retriever=vectorstore.as_retriever() chain_type_kwargs=chain_type_kwargs)
+qachain=RetrievalQA.from_chain_type(llm, retriever=vectorstore.as_retriever(), chain_type_kwargs=chain_type_kwargs)
 
 
 st.header("#CodeWars localGPT", divider='rainbow')