<filename>flask/app/extensions.py
# from flask_sqlalchemy import SQLAlchemy

from flask_mail import Mail
from flask_admin import Admin
from flask_security import Security

# db = SQLAlchemy()
mail = Mail()
admin = Admin()
security = Security()

<filename>flask/app/extensions.py
# from flask_sqlalchemy import SQLAlchemy

from flask_mail import Mail
from flask_admin import Admin
from flask_security import Security

# db = SQLAlchemy()
mail = Mail()
admin = Admin()
security = Security()

# from flask_sqlalchemy import SQLAlchemy # db = SQLAlchemy()