Update app.py

app.py

@@ -1,15 +1,9 @@
-from langchain_nvidia_ai_endpoints import ChatNVIDIA
-from langchain_core.output_parsers import StrOutputParser
-from langchain_core.prompts import ChatPromptTemplate
+
 import gradio as gr
 import os
 from smolagents import HfApiModel
 
 
-prompt = ChatPromptTemplate.from_messages([("system", "You are a helpful AI assistant named Arun."), ("user", "{input}")])
-
-llm = ChatNVIDIA(model="mistralai/mixtral-8x7b-instruct-v0.1")
-chain = prompt | llm | StrOutputParser()
 model = HfApiModel(model_id="mistralai/Mixtral-8x7B-Instruct-v0.1", token=os.environ.get("HF_TOKEN"))
 
 def chat(prompt, history):