C ++ ошибка на Python Progam

в моей программе на Python появляется ошибка c ++. я знаю, что моя программа глючит и имеет ошибки, но почему есть ошибка с с ++

Assertion failed!
Program: C:\Python33\pythonw.exe
File: .-\--\audio\mpegtoraw.cpp
Line: 505
Expression: audio->rawdatawriteoffset > len
For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts
(Press Retry to debug the application - JIT must be enabled)

import pygame, random, sys
from pygame.locals import *

WINDOWWIDTH = 600
WINDOWHEIGHT = 600
TEXTCOLOR = (255, 255, 255)
BGC = (0, 0, 0)
FPS = 80
PLAYERMOVERATE = 5
countBy = 10

def terminate():
pygame.quit()
sys.exit()

def waitForPlayerToPressKey():
while True:
for event in pygame.event.get():
if event.type == QUIT:
terminate()
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
terminate()
return

def playerHasHitShoot(playerRect, shoot):
if playerRect.colliderect(shoot):
return True
return False

def baddieHasHitShoot(baddieRect, shoot):
if baddieRect.colliderect(shoot):
return True
return False

def drawText(text, font, surface, x, y):
textobj = font.render(text, 1, TEXTCOLOR)
textrect = textobj.get_rect()
textrect.topleft = (x, y)
surface.blit(textobj, textrect)

pygame.init()
pygame.font.init()
font = pygame.font.SysFont(None,48)
mainClock = pygame.time.Clock()
screen = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT))
pygame.display.set_caption('Mothers Day')
pygame.mouse.set_visible(True)
pygame.display.set_icon(pygame.image.load('gameicon.gif'))

gameStartSound = pygame.mixer.Sound('gamestart.wav')
gameOverSound = pygame.mixer.Sound('gameend.wav')
pygame.mixer.music.load('background.mp3')

playerImage = pygame.image.load('starship.bmp')
playerRect = playerImage.get_rect()
baddieImage = pygame.image.load('enemy.bmp')
baddieRect = baddieImage.get_rect()
shootImage = pygame.image.load('shoot.bmp')
shootRect = shootImage.get_rect()drawText('Star Trek', font, screen, (WINDOWWIDTH / 2.5), (WINDOWHEIGHT / 3))
drawText('Press a key to start.', font, screen, (WINDOWWIDTH / 3.75) - 30, (WINDOWHEIGHT / 3) + 50)
pygame.display.update()
waitForPlayerToPressKey()

def fire(shoot):
shootRect.topleft = ((playerRect / 2), 101)
shootRect.move_ip(5, 1)

topScore = 10000
while True:

SS = []
score = 10000
playerRect.topleft = (0, 100)
moveUp = moveDown = False
pygame.mixer.music.play(-1, 0.0)

while True:
score -= countBy
for event in pygame.event.get():
if event.type == QUIT:
terminate()

if event.type == KEYDOWN:
if event.key == K_UP:
moveDown = False
moveUp = True
if event.key == ord(' '):
fire
if event.key == K_DOWN:
moveUp = False
moveDown = True

if event.type == KEYUP:
if event.key == ord(' '):
fire
if event.key == K_ESCAPE:
terminate()
if event.key == K_LEFT or event.key == ord('a'):
moveLeft = False
if event.key == K_RIGHT or event.key == ord('d'):
moveRight = False
if event.key == K_UP or event.key == ord('w'):
moveUp = False
if event.key == K_DOWN or event.key == ord('s'):
moveDown = Falseif moveUp and playerRect.top > 0:
playerRect.move_ip(0, -1 * PLAYERMOVERATE)
if moveDown and playerRect.bottom < WINDOWHEIGHT:
playerRect.move_ip(0, PLAYERMOVERATE)drawText('Score: %s' % (score), font, screen, 10, 0)
drawText('Top Score: %s' % (topScore), font, screen, 10, 40)

screen.blit(playerImage, playerRect)
screen.blit(shootImage, shootRect)
screen.blit(baddieImage, baddieRect)
pygame.display.update()if playerHasHitShoot(playerRect, baddieRect):
score = 0
break

if baddieHasHitShoot(baddieRect, shoot):
if score > topScore:
score = topscore
break
mainClock.tick(FPS)

pygame.mixer.music.stop()
gameOverSound.play()
drawText('GAME OVER', font, screen, (WINDOWWIDTH / 3), (WINDOWHEIGHT / 3))
drawText('Press a key to play again.', font, screen, (WINDOWWIDTH / 3) - 80, (WINDOWHEIGHT / 3) + 50)
pygame.display.update()
waitForPlayerToPressKey()
gameOverSound.stop()