I open it in terminal using:
A white square appears in the middle of my screen and nothing happens. Then I launched it using:
And the same thing happened.
A last attempt, I tried:
File "camdesk.py", line 12 if event.keyval == gtk.keysms.Escape : ^ TabError: inconsistent use of tabs and spaces in indentation
Here is a picture of what it looks like, a gray featureless box that has a slight dropshadow:
I recorded a video to show the problem.