Update app.py

app.py

@@ -72,8 +72,7 @@ def main():
             #response = chain.run(input_documents=docs, question=query)
             retriever=vector_store.as_retriever()
             chain = RetrievalQA.from_chain_type(llm=llm,chain_type="stuff",retriever=retriever)
-            response = chain.run(chain)
-            print(response)
+            response = chain.run(query)
             st.write(response)