Update app.py

app.py

@@ -2,6 +2,7 @@
 from langchain.document_loaders import PyPDFLoader
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.embeddings import SentenceTransformerEmbeddings
+from langchain_huggingface import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from langchain.llms import HuggingFacePipeline
@@ -36,7 +37,7 @@ if uploaded_file:
     docs = splitter.split_documents(documents)
 
     # Embed & Store
-    embedding = SentenceTransformerEmbeddings(model_name="all-MiniLM-L6-v2")
+    embedding = HuggingFaceEmbeddings(model_name="all-MiniLM-L6-v2")
     db = FAISS.from_documents(docs, embedding)
     retriever = db.as_retriever()