Update main.py

main.py

@@ -11,7 +11,7 @@ from flask_jwt_extended import JWTManager, create_access_token
 from middleware.authUser import auth_user
 from datetime import timedelta 
 from controllers.demo import get_initial_data
-from controllers.mindmap import saveMindmap, getMindmap, deleteMindmap, getMindmapByid, saveMindmapById
+from controllers.mindmap import saveMindmap, getMindmap, getMindmapHistory, deleteMindmap, getMindmapByid, saveMindmapById
 import json
 from bson import ObjectId
 from dotenv import load_dotenv