sqlite objects in thread can only be used in the same thread

[darktitan]

My app.py looks like this

Then you don't need db_setup.py at all,it's maybe confusing because he mixing this stuff together in tutorial.
He do mention this.

You will note that Flask-SQLAlchemy doesn’t require all the imports that just plain SQLAlchemy required.
All we need is the db object we created in our app script.

Nice to know. I did the modification needed and removed SQLAlchemy but im still got same problem as before. I cant save the changes i do to the account. and im not getting any error on my stationary computer. In console i can see the POST but nothing more. And when i enter the db file nothing have changed. Funny thing is i use almost the identical code in another thing in an another table in the db and it works the changes gets saved and i get redirected to another page.

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eureka

I hade put FlaskForm instead of Form In my Form for the page

class UserForm(Form):
    user = StringField('Användarnamn:', validators=[DataRequired()])
    password = StringField('Lösenord:', validators=[DataRequired()])
    urole = StringField('Användar Behörighet:', validators=[DataRequired()])
    owner = StringField('Användar namn:', validators=[DataRequired()])
       

Got it to work now.