Help running flask app

import mysql.connector
import logging
from flask import Flask, render_template, request

app = Flask(__name__)
app.logger.setLevel(logging.DEBUG)

@app.route('/')
def home():
    return 'Hello, world!'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080, debug=True)

import mysql.connector
import logging
from flask import Flask, render_template, request

app = Flask(__name__)
app.logger.setLevel(logging.DEBUG)

@app.route('/')
def home():
    return 'Hello, world!'

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=8080, debug=True)

* Serving Flask app 'app' (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
* Running on all addresses (0.0.0.0)
* Running on http://127.0.0.1:8080
* Running on http://xxx.xx.xx:8080
Press CTRL+C to quit
* Restarting with stat
* Debugger is active!
* Debugger PIN: xxx-xxx-xxx

* Serving Flask app 'app' (lazy loading)
* Environment: production
WARNING: This is a development server. Do not use it in a production deployment.
Use a production WSGI server instead.
* Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
* Running on all addresses (0.0.0.0)
* Running on http://127.0.0.1:8080
* Running on http://xxx.xx.xx:8080
Press CTRL+C to quit
* Restarting with stat
* Debugger is active!
* Debugger PIN: xxx-xxx-xxx