properly loading .env file with dotenv

services/rag/langchain/enrichment.py

@@ -4,6 +4,7 @@ import os
 import hashlib
 from pathlib import Path
 from typing import List, Dict, Any
+from dotenv import load_dotenv
 from langchain_core.documents import Document
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_community.document_loaders import PyPDFLoader
@@ -38,6 +39,9 @@ from sqlalchemy.orm import sessionmaker
 from loguru import logger
 import sqlite3
 
+# Load environment variables
+load_dotenv()
+
 
 # Define the path to the data directory
 DATA_DIR = Path("../../../data").resolve()