While setup Flask AppBuilder App from scratch, Getting issue ModuleNotFoundError: No module named flask_appbuilder.extensions

[RameshPonnusami]

(venv) C:\workspace\hack\bug>python run.py
Traceback (most recent call last):
File "C:\workspace\hack\bug\run.py", line 1, in
from app import app
File "C:\workspace\hack\bug\app_init_.py", line 3, in
from flask_appbuilder.extensions import db
ModuleNotFoundError: No module named 'flask_appbuilder.extensions'

Requirements:
Flask-Appbuilder==5.0.0

Python 3.12

Windows OS

[dpgaspar]

Can you post what's in your app\__init__.py is it a copy of any of the examples?

[kmorkah]

I also found the same error. I use the example of employees and app_init_.py belows.

import logging

from flask import Flask
from .views import (
    DepartmentView,
    EmployeeView,
    FunctionView,
    EmployeeHistoryView,
    BenefitView,
)
from .extensions import appbuilder, db


logging.basicConfig(format="%(asctime)s:%(levelname)s:%(name)s:%(message)s")
logging.getLogger().setLevel(logging.DEBUG)


def create_app() -> Flask:
    app = Flask(__name__)
    app.config.from_object("config")
    with app.app_context():
        db.init_app(app)
        appbuilder.init_app(app, db.session)

        appbuilder.add_view_no_menu(EmployeeHistoryView, "EmployeeHistoryView")
        appbuilder.add_view(
            EmployeeView, "Employees", icon="fa-folder-open-o", category="Company"
        )
        appbuilder.add_separator("Company")
        appbuilder.add_view(
            DepartmentView, "Departments", icon="fa-folder-open-o", category="Company"
        )
        appbuilder.add_view(
            FunctionView, "Functions", icon="fa-folder-open-o", category="Company"
        )
        appbuilder.add_view(
            BenefitView, "Benefits", icon="fa-folder-open-o", category="Company"
        )

    return app


# For backward compatibility
app = create_app()

[creyes52]

Same here, I was following the installation tutorial here
to begin learning about Flask, but it seems the latest version of the flask builder creates incompatible code with the installed dependencies

I was able to fix the error downgrading to:

• flask-appbuilder==4.8.1 (the previous release to 5.0.0)
• flask-limiter==3.12 (the previous to the latest 3.13)

Since by definition I'm learning flask, I don't know what needs to be fixed with the latest versions, but hopefully somebody else can get past this errors for now

[Th4nat0s]

Hello,

Got the same issue, using clean venv with python 3.12.3
With flask-limiter fixed to 3.12

`
from flask import Flask

from flask_appbuilder.extensions import db
from .extensions import appbuilder

def create_app() -> Flask:
app = Flask(name)
app.config.from_object("config")
with app.app_context():
appbuilder.init_app(app)
db.create_all()
# Registering the views and APIs
...
return app
`

Interesting, also during the flask fab create-app it does not ask for db engine in 5.0.0
It does in 4.8.1

$ flask fab create-app
Your new app name: Plum
Your engine type, SQLAlchemy or MongoEngine (SQLAlchemy, MongoEngine) [SQLAlchemy]:
Your app SECRET_KEY. It should be a long random string. Minimal size is 20: