#!/usr/bin/env python
# encoding: utf-8
from __future__ import (absolute_import, division,
                        print_function, unicode_literals)
from flask import Flask
from app.summary import summary

flask_app = Flask('__name__')
flask_app.register_blueprint(summary)
flask_app.run()

#!/usr/bin/env python
# encoding: utf-8
from __future__ import (absolute_import, division,
                        print_function, unicode_literals)
from flask import Flask
from app.summary_blueprint import summary

flask_app = Flask('__name__')
flask_app.register_blueprint(summary)
flask_app.run()

Rename summary > summary_blueprint in local_run.py