Update app.py

app.py

@@ -10,6 +10,8 @@ docs = splitter.create_documents(str(dataset))
 from sentence_transformers import SentenceTransformer
 from langchain_community.embeddings import HuggingFaceEmbeddings
 embedding_model = SentenceTransformer("all-MiniLM-L6-v2")
+
+from langchain.vectorstores import FAISS
 data = FAISS.from_documents(docs, embedding_model)
 
 #data = dataset["train"]