Add missing imports and change main path

Author: Ibrahim2750mi

arcade/experimental/video_cv2.py

@@ -9,6 +9,9 @@
     pip install opencv-python
 """
 from math import floor
+from pathlib import Path
+from typing import Union
+
 import arcade
 from arcade.gl.geometry import quad_2d_fs
 import cv2  # type: ignore
@@ -133,5 +136,5 @@ def on_update(self, delta_time: float):
 
 if __name__ == '__main__':
     window = arcade.Window(800, 600, "Video Player")
-    window.show_view(CV2PlayerView("/home/ibrahim/PycharmProjects/pyweek/35/Tetris-in-Ohio/assets/rain.mp4"))
+    window.show_view(CV2PlayerView("/home/user/path/to/project/assets/rain.mp4"))
     window.run()