fix db file location

api/database.py

@@ -4,7 +4,7 @@ import os
 from typing import List, Dict, Any, Optional
 
 # Path to the SQLite database file
-DB_PATH = os.path.join(os.path.dirname(__file__), "/db_file/fitness.db")
+DB_PATH = os.path.join(os.path.dirname(__file__), "db_file" ,"fitness.db")
 
 # Ensure the database directory exists
 os.makedirs(os.path.dirname(DB_PATH), exist_ok=True)