[Python] Flask SQL model missing one positional argument

from flask import (Flask, render_template)
from flask_sqlalchemy import SQLAlchemy

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://userassword@localhost/database'
db = SQLAlchemy(app)

class User(db.Model):
id = db.Column(db.Integer, primary_key=True)
nickname = db.Column(db.String(80), unique=True)

def __init__(self, id, nickname):
self.id = id
self.nickname = nickname

admin = User('admin')


This code throws TypeError: __init__() missing 1 required positional argument: 'nickname', so it seems like it expects me to manually set the id, though i probably shouldn't do it? I also tried executing User(nickname='admin'), but it doesn't seem to work. Thanks for the help

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