import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
from PyQt5.QtGui import QIcon
from PyQt5.QtCore import QUrl
from PyQt5.QtWebEngineWidgets import QWebEngineView
class MainWindow(QMainWindow):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.initUI()
    def initUI(self):
        self.setWindowTitle('Translator')
        self.setWindowIcon(QIcon('ya_translate.png'))
        self.setFixedSize(400, 580)
        self.showMaximized()
        self.browser = WebEngineView()
        self.browser.load(QUrl(f"https://yandex.ru/"))
        self.setCentralWidget(self.browser)
class WebEngineView(QWebEngineView):
    windowList = []
    def createWindow(self, QWebEnginePage_WebWindowType):
        new_webview = WebEngineView()
        new_window = MainWindow()
        new_window.setCentralWidget(new_webview)
        self.windowList.append(new_window)
        return new_webview
if __name__ == "__main__":
    print()
    app = QApplication(sys.argv)
    window = MainWindow()
    window.show()
    sys.exit(app.exec_())