MiniCord.py

from PyQt5.QtWidgets import QApplication
from PyQt5.QtWebEngineWidgets import QWebEngineView, QWebEnginePage
from PyQt5.QtCore import QUrl
from PyQt5.QtGui import QIcon

class WebEnginePage(QWebEnginePage):
    def __init__(self, *args, **kwargs):
        QWebEnginePage.__init__(self, *args, **kwargs)
        self.featurePermissionRequested.connect(self.onFeaturePermissionRequested)

    def onFeaturePermissionRequested(self, url, feature):
        if feature in (QWebEnginePage.MediaAudioCapture, 
            QWebEnginePage.MediaVideoCapture, 
            QWebEnginePage.MediaAudioVideoCapture):
            self.setFeaturePermission(url, feature, QWebEnginePage.PermissionGrantedByUser)
        else:
            self.setFeaturePermission(url, feature, QWebEnginePage.PermissionDeniedByUser)

app = QApplication([])

view = QWebEngineView()
page = WebEnginePage()
view.setPage(page)
view.load(QUrl("https://discord.com/app"))

view.setWindowTitle("MiniCord")
view.setWindowIcon(QIcon('icon.png'))
view.showMaximized()

app.exec_()