code: def __init__(self, app: Flask, db: SQLAlchemy, Todo: t.Any) -> None:
      self.app = app
      self.db = db
      self.Todo = Todo
  
imports: from __future__ import annotations
  import typing
  import pytest
  from flask import Flask
  from werkzeug.exceptions import NotFound
  from flask_sqlalchemy import SQLAlchemy
  from flask_sqlalchemy.pagination import Pagination
label_desc: Use image node_id 1 to create a new _PaginateCallable object  with example: obj = _PaginateCallable(app, db, Todo)