Replace __init__.py

blog/__init__.py

 from flask import Flask
 from flask_sqlalchemy import SQLAlchemy
+from flask_bcrypt import Bcrypt
 from flask_login import LoginManager
 
-
 app = Flask(__name__)
-app.config['SECRET_KEY'] = '<dcb48b91e922460d1b73988d49fe5f98a6ea26c3c497dc2f>'
 
-# suppress SQLAlchemy warning
-app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+app.config['SECRET_KEY'] = '<dcb48b91e922460d1b73988d49fe5f98a6ea26c3c497dc2f>'
 
-# DB Connection changed to mysql
 app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://c22053853:CardiffMySQL1!@csmysql.cs.cf.ac.uk:3306/c22053853_flask_db'
-
 db = SQLAlchemy(app)
 
+bcrypt = Bcrypt(app)
+
 login_manager = LoginManager()
 login_manager.init_app(app)