Update app.py

app.py

@@ -50,7 +50,7 @@ def get_conversation_chain(vectorstore):
     llm = HuggingFaceEndpoint(
         repo_id="google/flan-t5-base", 
         temperature=0.5, 
-        model_kwargs={"max_new_tokens": 248}
+        max_new_tokens=248
     )
 
     memory = ConversationBufferMemory(