from flask import Flask, render_template def create_app(): app = Flask(__name__) register_blueprints(app) register_error_pages(app) return app def register_blueprints(app): from project.portfolio import portfolio_blueprint app.register_blueprint(portfolio_blueprint) def register_error_pages(app): @app.errorhandler(404) def page_not_found(e): return render_template('404.html'), 404