fixing import

app.py

@@ -6,6 +6,8 @@ from dotenv import load_dotenv
 from src.generator import answer_with_rag
 from ragatouille import RAGPretrainedModel
 from src.data_preparation import split_documents
+from src.embeddings import init_embedding_model
+
 from transformers import pipeline
 from langchain_community.document_loaders import PyPDFLoader
 from langchain.embeddings import HuggingFaceEmbeddings