Tab_layouts

import sys
from PyQt5.QtWidgets import QApplication, QCheckBox, QTabWidget, QVBoxLayout, QWidget

class Window(QWidget):
    def __init__(self):
        super().__init__()
        self.setWindowTitle('QTabWidget exemple')
        self.resize(400, 150)

        # Create top level layout
        layout = QVBoxLayout()
        self.setLayout(layout)
        # Create tab wih two tabs
        tabs = QTabWidget()
        tabs.addTab(self.generalTabUI(), 'General')
        tabs.addTab(self.networkTabUI(), 'Network')
        layout.addWidget(tabs)

    def generalTabUI(self):
        """Crate general page UI"""
        generalTab = QWidget()
        layout = QVBoxLayout()
        layout.addWidget(QCheckBox('General option 1'))
        layout.addWidget(QCheckBox('General option 2'))
        generalTab.setLayout(layout)
        return generalTab

    def networkTabUI(self):
        """Crate network page UI"""
        networkTab = QWidget()
        layout = QVBoxLayout()
        layout.addWidget(QCheckBox('Network option 1'))
        layout.addWidget(QCheckBox('Network option 2'))
        networkTab.setLayout(layout)
        return networkTab

if __name__ == "__main__":
    app = QApplication(sys.argv)
    window = Window()
    window.show()
    sys.exit(app.exec_())