Gif with Pyqt5

from PyQt5.QtCore import (Qt, QSize,QByteArray, pyqtSlot, pyqtSignal, QThread)
from PyQt5.QtGui import (QMovie)
from PyQt5.QtWidgets import (QApplication, QWidget,QSizePolicy,QVBoxLayout, QPushButton, QLabel,
                             QGridLayout)


class ImagePlayer(QWidget):
    def __init__(self, filename, parent=None):
        QWidget.__init__(self, parent)

        # Load the file into a QMovie
        self.movie = QMovie(filename, QByteArray(), self)

        size = self.movie.scaledSize()
        self.setGeometry(200, 200, size.width(), size.height())
        self.setWindowTitle("tfoo")

        self.movie_screen = QLabel()
        # Make label fit the gif
        self.movie_screen.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
        self.movie_screen.setAlignment(Qt.AlignCenter)

        # Create the layout
        main_layout = QVBoxLayout()
        main_layout.addWidget(self.movie_screen)

        self.setLayout(main_layout)

        # Add the QMovie object to the label
        self.movie.setCacheMode(QMovie.CacheAll)
        self.movie.setSpeed(100)
        self.movie_screen.setMovie(self.movie)
        self.movie.start()

if __name__ == "__main__":
            import sys
            gif = "C:/Users/ZINEB/PycharmProjects/smart_pharma/loading.gif"
            app = QApplication(sys.argv)
            player = ImagePlayer(gif)
            player.show()
            sys.exit(app.exec_())