#!/usr/bin/python3 from PyQt6.QtWidgets import QWidget, QGridLayout from ui.track_control import TrackControl class MainContainer(QWidget): def __init__(self, parent=None): super().__init__(parent) self.layout = QGridLayout() self.track_control = TrackControl(self) self.layout.addWidget(self.track_control) self.setLayout(self.layout)