Possible Duplicate:
IndentationError: unindent does not match any outer indentation level
This is my code that I have looked through for a couple of hours. It may be a python bug for Lion. I am using python 2.7.
import os, pygame
from pygame.locals import *
import spritesheet
import sound
from map import Level
level = Level()
level.loadFile("level.map")
pygame.init()
screen = pygame.display.set_mode((640, 480))
background = level.render(spritesheet.spritesheet("spritesheet.bmp"))
pygame.display.set_caption('Game')
character=spritesheet.spritesheet("spritesheet.bmp").image_at(pygame.rect.Rect(64, 64, 32, 32), colorkey = (255, 255, 255))
#Create The Backgound
background.blit(character, (304, 224))
screen.blit(background, (0, 0))
clock = pygame.time.Clock()
level.setTile(1, 1, "3")
pygame.display.flip()
xoffset=0
yoffset=0
while True:
    background = level.render(spritesheet.spritesheet("spritesheet.bmp"))
    background.blit(character, (304, 224))
    screen.blit(background, (0+xoffset, 0+yoffset))
    pygame.display.flip()
    for event in pygame.event.get():
        if event.type==QUIT:
            exit()
        elif event.type == KEYDOWN:
            if event.key == K_w:
                yoffset-=5
            if event.key == s:
                yoffset+=5
It returns this:
File "main.py", line 30
   elif event.type == KEYDOWN:
                          ^
IndentationError: unindent does not match any outer indentation level
I can't find anything wrong with it.
 
     
     
    