Update app.py

app.py

@@ -1,9 +1,10 @@
 import gradio as gr
 import spaces
-from transformers import AutoModelForCausalLM, AutoTokenizer
+from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
 from langchain.llms.base import LLM
 from langchain.memory import ConversationBufferMemory
 from langchain.chains import LLMChain, ConversationChain
+from langchain_community.llms.huggingface_pipeline import HuggingFacePipeline
 from langchain.prompts import PromptTemplate, ChatPromptTemplate
 
 @spaces.GPU