accessing attributes when inheriting?

[Peter J. Bismuti]

How do you access attributes of a class when inheriting from it? Can't you 
just say:

self.attribute?  

Help?!
.......................................................................................................
#!/usr/bin/python

from Dialog import Dialog
import enscmd

class RatDialog(Dialog):
    def __init__(self,parent = Dialog,name = "RatDialog",modal = 0,fl = 0):
        Dialog.__init__(self)
        self.ClipListView.header().setLabel(0,self.__tr("Clips"))   <----ERROR
        self.ClipListView.clear()
    def CloseButton_clicked(self):
        self.close()

....................................................................................

from qt import *


class Dialog(QDialog):
    def __init__(self,parent = None,name = None,modal = 0,fl = 0):
        QDialog.__init__(self,parent,name,modal,fl)

        if not name:
            self.setName("Dialog")


        DialogLayout = QGridLayout(self,1,1,11,6,"DialogLayout")

        layout14 = QVBoxLayout(None,0,6,"layout14")

        layout13 = QHBoxLayout(None,0,6,"layout13")

        self.ClipListView = QListView(self,"ClipListView")
        self.ClipListView.addColumn(self.__tr("Column 1"))
        layout13.addWidget(self.ClipListView)

        self.ClipTextEdit = QTextEdit(self,"ClipTextEdit")
        layout13.addWidget(self.ClipTextEdit)
        layout14.addLayout(layout13)

        layout10 = QHBoxLayout(None,0,6,"layout10")

        layout9 = QVBoxLayout(None,0,6,"layout9")

        layoutWidth = QHBoxLayout(None,0,6,"layoutWidth")

        self.WidthLabel = QLabel(self,"WidthLabel")
        layoutWidth.addWidget(self.WidthLabel)

        self.WidthLineEdit = QLineEdit(self,"WidthLineEdit")
        layoutWidth.addWidget(self.WidthLineEdit)
        layout9.addLayout(layoutWidth)

        layout5 = QVBoxLayout(None,0,6,"layout5")

        self.OriginLabel = QLabel(self,"OriginLabel")
        self.OriginLabel.setAlignment(QLabel.WordBreak | QLabel.AlignCenter)
        layout5.addWidget(self.OriginLabel)

        layoutX = QHBoxLayout(None,0,6,"layoutX")

        self.XLabel = QLabel(self,"XLabel")
        layoutX.addWidget(self.XLabel)

        self.XLineEdit = QLineEdit(self,"XLineEdit")
        layoutX.addWidget(self.XLineEdit)
        layout5.addLayout(layoutX)

        layoutY = QHBoxLayout(None,0,6,"layoutY")

        self.YLabel = QLabel(self,"YLabel")
        layoutY.addWidget(self.YLabel)

        self.YLineEdit = QLineEdit(self,"YLineEdit")
        layoutY.addWidget(self.YLineEdit)
        layout5.addLayout(layoutY)

        layoutZ = QHBoxLayout(None,0,6,"layoutZ")

        self.ZLabel = QLabel(self,"ZLabel")
        layoutZ.addWidget(self.ZLabel)

        self.ZLineEdit = QLineEdit(self,"ZLineEdit")
        layoutZ.addWidget(self.ZLineEdit)
        layout5.addLayout(layoutZ)
        layout9.addLayout(layout5)
        layout10.addLayout(layout9)

        self.ButtonGroup = QButtonGroup(self,"ButtonGroup")

        self.CircleRadioButton = 
QRadioButton(self.ButtonGroup,"CircleRadioButton")
        self.CircleRadioButton.setGeometry(QRect(20,50,56,21))

        self.SquareRadioButton = 
QRadioButton(self.ButtonGroup,"SquareRadioButton")
        self.SquareRadioButton.setGeometry(QRect(20,20,64,21))
        self.SquareRadioButton.setChecked(1)
        layout10.addWidget(self.ButtonGroup)
        layout14.addLayout(layout10)

        layout11 = QHBoxLayout(None,0,6,"layout11")

        self.NewClipButton = QPushButton(self,"NewClipButton")
        layout11.addWidget(self.NewClipButton)

        self.DeleteClipButton = QPushButton(self,"DeleteClipButton")
        layout11.addWidget(self.DeleteClipButton)

        self.CloseButton = QPushButton(self,"CloseButton")
        layout11.addWidget(self.CloseButton)
        layout14.addLayout(layout11)

        DialogLayout.addLayout(layout14,0,0)

        self.languageChange()

        self.resize(QSize(340,427).expandedTo(self.minimumSizeHint()))
        self.clearWState(Qt.WState_Polished)

        
self.connect(self.NewClipButton,SIGNAL("clicked()"),self.NewClipButton_clicked)
        
self.connect(self.DeleteClipButton,SIGNAL("clicked()"),self.DeleteClipButton_clicked)
        
self.connect(self.CloseButton,SIGNAL("clicked()"),self.CloseButton_clicked)


    def languageChange(self):
        self.setCaption(self.__tr("RAT"))
        self.ClipListView.header().setLabel(0,self.__tr("Column 1"))
        self.ClipListView.clear()
        item = QListViewItem(self.ClipListView,None)
        item.setText(0,self.__tr("New Item"))

        self.WidthLabel.setText(self.__tr("<b>Width/Radius</b>"))
        self.OriginLabel.setText(self.__tr("<b>Origin</b>"))
        self.XLabel.setText(self.__tr("<b>X</b>"))
        self.YLabel.setText(self.__tr("<b>Y</b>"))
        self.ZLabel.setText(self.__tr("<b>Z</b>"))
        self.ButtonGroup.setTitle(self.__tr("Clip Type"))
        self.CircleRadioButton.setText(self.__tr("Circle"))
        self.SquareRadioButton.setText(self.__tr("Square"))
        self.NewClipButton.setText(self.__tr("New"))
        self.DeleteClipButton.setText(self.__tr("Delete"))
        self.CloseButton.setText(self.__tr("Close"))


    def NewClipButton_clicked(self):
        print "Dialog.NewClipButton_clicked(): Not implemented yet"

    def DeleteClipButton_clicked(self):
        print "Dialog.DeleteClipButton_clicked(): Not implemented yet"

    def CloseButton_clicked(self):
        print "Dialog.CloseButton_clicked(): Not implemented yet"

    def __tr(self,s,c = None):
        return qApp