mensaje de error TypeError no se que que significa.

[sam0812]

hola a todos
Cuano hago run a mi programa obtengo esto

C:\Python25\lib\site-packages\PIL\Image.py:1710: DeprecationWarning: integer argument expected, got float
return Image()._new(core.fill(mode, size, color))
C:\Python25\lib\site-packages\pygraphics\pixel.py:37: DeprecationWarning: integer argument expected, got float
self.pixels[self.x, self.y][2])
C:\Python25\lib\site-packages\pygraphics\pixel.py:62: DeprecationWarning: integer argument expected, got float
b)
C:\Python25\lib\site-packages\pygraphics\pixel.py:50: DeprecationWarning: integer argument expected, got float
self.pixels[self.x, self.y][2])
TypeError: unsupported operand type(s) for -: 'function' and 'int'

nose que que eh hecho mal!! =( porfavor ayuda