sluipmoord

import os
import sys
from typing import Any, ClassVar

from flask import current_app
from flask_sqlalchemy import SQLAlchemy
from sqlalchemy import ColumnElement, Dialect, FunctionElement, Integer, String, TypeDecorator, func, text, type_coerce
from sqlalchemy.dialects.postgresql import BYTEA, JSON, JSONB
from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
from sqlalchemy.sql.operators import OperatorType