asyncqt issue

main.py

import functools
from PyQt5.QtWidgets import QApplication, QPushButton, QWidget, QVBoxLayout
import sys

def slot(*args):
  def outer(fn):
    @functools.wraps(fn)
    def wrapper(*args, **kwargs):
      print("args", args)
      print("kwargs", kwargs)
    return wrapper
  return outer

class Main():
  @slot()
  def hello(self, *args):
    print(*args)
    pass

main = Main()
main.hello()

app = QApplication(sys.argv)
widget = QWidget()
layout = QVBoxLayout()
widget.setLayout(layout)

button = QPushButton("hello")
layout.addWidget(button)
button.clicked.connect(main.hello)

widget.show()
app.exec_()