import numpy as np
import pyqtgraph as pg
from PySide6.QtWidgets import QMainWindow


class MainWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("PyQtGraph Example")
        self.setGeometry(100, 100, 800, 600)

        # Create a PlotWidget
        self.plot_widget = pg.PlotWidget()
        self.setCentralWidget(self.plot_widget)

        # Generate some data
        x = np.linspace(0, 10, 100)
        y = np.sin(x)

        # Plot the data
        self.plot_widget.plot(x, y, pen="b", symbol="o")


if __name__ == "__main__":
    # Create the application and main window
    app = pg.mkQApp()
    window = MainWindow()
    window.show()
    app.exec()