Skier game Program in Atom with Python


I want to run Skier Game Program in Atom. But it cannot run in Ätom.
I also run in Python IDE, but it running perfectly.

Why it cannot run in atom?

pygame 1.9.4
Hello from the pygame community.
Traceback (most recent call last):
File “D:\my_exercise_programming\python_workspace\skier\”, line 100, in
skier = SkierClass()
File “D:\my_exercise_programming\python_workspace\skier\”, line 25, in init
self.image = pygame.image.load(“skier_down.png”)
pygame.error: Couldn’t open skier_down.png
[Finished in 1.917s]