Update app.py

app.py

@@ -15,6 +15,7 @@ from langchain.llms import HuggingFaceHub
 from transformers import AutoModelForCausalLM, AutoTokenizer
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.llms import HuggingFacePipeline
+from transformers import pipeline
 import os
 import transformers
 import torch