chore: remove unused imports

application/core/mongo_db.py

@@ -1,6 +1,5 @@
 from application.core import settings
 from pymongo import MongoClient
-from flask import current_app, g
 
 
 class MongoDB:

application/usage.py

@@ -1,7 +1,6 @@
 import sys
 from core.mongo_db import MongoDB
 from datetime import datetime
-from application.core.settings import settings
 from application.utils import num_tokens_from_string
 
 mongo = MongoDB.get_client()