Update app.py

app.py

@@ -1,5 +1,5 @@
 import os
-from transformers import pipeline
+from langchain.embeddings import HuggingFaceEmbeddings
 from huggingface_hub import InferenceClient
 import langchain
 from langchain import HuggingFaceHub
@@ -8,6 +8,9 @@ import gradio as gr
 
 HUGGINGFACEHUB_API_TOKEN = os.environ["HUGGINGFACEHUB_API_TOKEN"]
 
+embeddings = HuggingFaceEmbeddings(
+                model_name="sentence-transformers/all-MiniLM-L6-v2"
+            )
 model="bigscience/bloom"
 llm = HuggingFaceHub(repo_id=model ,
                          model_kwargs={"max_length":512,"do_sample":True,