from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtWebEngineWidgets import QWebEngineView

class WebViewWidget(QWidget):
    def __init__(self):
        super().__init__()
        self.browser = QWebEngineView()
        self.browser.setUrl("http://www.example.com")
        layout = QVBoxLayout()
        layout.addWidget(self.browser)
        self.setLayout(layout)