Mongoengine: TypeError: __init__() got an unexpected keyword argument

Question

I am using flask-mongoengine extension and I have a User class like this:

class User(db.Document, UserMixin):     
    email = db.StringField(max_length=120,         


        

Answer 1

Try downgrading pymongo.

pip install pymongo==2.8

I was getting this error no matter what and the only way I fixed it was to downgrande pymongo from 3.0 to 2.8.