"""Application entry point."""
from __future__ import annotations

import sys

from PyQt6.QtWidgets import QApplication

from .main_window import MainWindow


def main(argv=None) -> int:
    argv = list(sys.argv if argv is None else argv)
    app = QApplication(argv)
    app.setApplicationName("Pipeline Network Editor")
    window = MainWindow()
    window.load_sample()
    window.show()
    return app.exec()


if __name__ == "__main__":  # pragma: no cover
    raise SystemExit(main())