import numpy as np
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import QMainWindow, QWidget, QApplication, QHBoxLayout
from matplotlib.backends.backend_qt5agg import FigureCanvas, NavigationToolbar2QT as NavigationToolbar
from matplotlib.figure import Figure

class ChaosPlotter(QMainWindow):
    def __init__(self):
        super().__init__()
        self.main = QWidget()
        self.setCentralWidget(self.main)
        box = QHBoxLayout()
        self.main.setLayout(box)
        fig = Figure(figsize=(4, 3))
        graph = FigureCanvas(fig)
        box.addWidget(graph)
        tb = NavigationToolbar(graph, self.main)
        tb.setOrientation(Qt.Vertical)
        box.addWidget(tb)

        axes = fig.add_subplot(1, 1, 1)
        x = np.linspace(-5, 5, 100)
        y = np.sin(x)
        axes.plot(x, y)
        return

if __name__ == "__main__":
    qapp = QApplication(sys.argv)
    plotter = ChaosPlotter()
    plotter.show()
    qapp.exec()