Update app.py

app.py

@@ -55,9 +55,11 @@ llm = HuggingFaceEndpoint(
     repo_id="google/flan-t5-large",
     task="text2text-generation",
     huggingfacehub_api_token=HF_TOKEN,
-    model_kwargs={"temperature": 0.7, "max_new_tokens": 512},
+    temperature=0.7,
+    max_new_tokens=512,
 )
 
+
 qa_chain = RetrievalQA.from_chain_type(
     llm=llm,
     retriever=retriever,