# pip install PyQt5==5.15.2
from PyQt5.QtWidgets import QApplication,QMainWindow,QLabel
import sys
app=QApplication(sys.argv)
app.setStyle('Fusion')
app.setApplicationName('PyQt5 App')
win=QMainWindow()
label=QLabel()
label.setText('An App')
win.setCentralWidget(label)
win.show()
sys.exit(app.exec_())from PyQt5 import QtWidgets
from PyQt5.QtWidgets import QApplication, QMainWindow, QLabel
import sys
def main():
app = QApplication(sys.argv)
win = QMainWindow()
win.setGeometry(200,200,300,300)
win.setWindowTitle("My first window!")
label = QLabel(win)
label.setText("my first label")
label.move(50, 50)
win.show()
sys.exit(app.exec_())
main() # make sure to call the functionconda install torchvision -c pytorch