<filename>noteapp/__main__.py
from noteapp.app import app


if __name__ == '__main__':
    app.run(debug=True)

#add ", host="server IP address" after True above
<filename>noteapp/__main__.py
from noteapp.app import app


if __name__ == '__main__':
    app.run(debug=True)

#add ", host="server IP address" after True above
#add ", host="server IP address" after True above