UnsatisfiableError: pyqt和py-opencv冲突

import sys
from PyQt5.QtWidgets import QApplication, QLabel, QMainWindow
from PyQt5.QtGui import QPixmap
import cv2

class App(QMainWindow):
    def __init__(self):
        super().__init__()
        self.title = 'PyQt and OpenCV Example'
        self.left = 100
        self.top = 100
        self.width = 640
        self.height = 400
        self.initUI()
    
    def initUI(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)
        
        # Load an image using OpenCV
        img = cv2.imread('path_to_image.jpg')
        img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)  # Convert BGR to RGB
        
        # Convert the image to QPixmap for PyQt
        h, w, ch = img.shape
        bytesPerLine = ch * w
        qt_image = QImage(img.data, w, h, bytesPerLine, QImage.Format_RGB888)
        pixmap = QPixmap.fromImage(qt_image)
        
        self.label = QLabel(self)
        self.label.setPixmap(pixmap)
        self.show()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = App()
    sys.exit(app.exec_())