I have been trying to click a button and print brightness. When i click button i see this error message
Code:
Process finished with exit code 1
Here is my try

main.py
Code:
from PyQt5.QtWidgets import QApplication
from views import UI_Window
from models import Camera

if __name__ == '__main__': 

    camera = Camera(0) #0, webcam numarasi

    app = QApplication([])
...