Traceback (most recent call last):
File "main.py", line 894, in <module>
main()
File "main.py", line 886, in main
window = Window(width=800, height=600, caption='Pyglet', resizable=True)
File "main.py", line 480, in __init__
self.model = Model()
File "main.py", line 150, in __init__
self._initialize()
File "main.py", line 159, in _initialize
for x in xrange(-n, n + 1, s):
NameError: name 'xrange' is not defined
Failing with: