How to use the attrs.IntAttr function in attrs

posi = widget.position
	   widget.position = (10, posi[1])

	Here they are.

	   - x: Integer: The horizontal part of the position attribute.
	   - y: Integer: The vertical part of the position attribute.
	   - width: Integer: The horizontal part of the size attribute.
	   - height: Integer: The vertical part of the size attribute.

	"""

	ATTRIBUTES = [ Attr('name'), PointAttr('position'),
		PointAttr('min_size'), PointAttr('size'), PointAttr('max_size'),
		ColorAttr('base_color'),ColorAttr('background_color'),ColorAttr('foreground_color'),ColorAttr('selection_color'),
		Attr('style'), Attr('font'),IntAttr('border_size'),Attr('position_technique'),
		UnicodeAttr('helptext')
		]

	DEFAULT_NAME = '__unnamed__'

	HIDE_SHOW_ERROR = """\
		You can only show/hide the top widget of a hierachy.
		Use 'addChild' or 'removeChild' to add/remove labels for example.
		"""

	def __init__(self,parent = None, name = DEFAULT_NAME,
				 size = (-1,-1), min_size=(0,0), max_size=(5000,5000),
				 helptext=u"",
				 style = None, **kwargs):

		assert( hasattr(self,'real_widget') )

be position via the position attribute. If you want to use the layout engine,
	you have to use derived containers with vertical or horizontal orientation
	(L{VBox} or L{HBox})

	New Attributes
	==============

	  - padding - Integer: Not used in the Container class istelf, distance between child widgets.
	  - background_image - Set this to a GuiImage or a resource location (simply a filename).
	    The image will be tiled over the background area.
	  - opaque - Boolean: Whether the background should be drawn at all. Set this to False
	    to make the widget transparent.
	  - children - Just contains the list of contained child widgets. Do NOT modify.
	"""

	ATTRIBUTES = Widget.ATTRIBUTES + [ IntAttr('padding'), Attr('background_image'), BoolAttr('opaque'),PointAttr('margins') ]

	def __init__(self,padding=5,margins=(5,5),_real_widget=None, **kwargs):
		self.real_widget = _real_widget or fife.Container()
		self.children = []
		self.margins = margins
		self.padding = padding
		self._background = []
		self._background_image = None
		super(Container,self).__init__(**kwargs)

	def addChild(self, widget):
		widget.parent = self
		self.children.append(widget)
		self.real_widget.add(widget.real_widget)

	def removeChild(self,widget):