PyQt4 strangeness

[Tina I]

I'm trying to 'convert' my self from Qt3 to Qt4 (it rocks!) and one 
thing seem strange:
With Qt3 I usually did "from qt import *", but this does not seem to 
work with Qt4. I have to use "from PyQt4 import QtGui , QtCore" and also 
have to use "QtCore.something".

Like when connecting a button:

	self.connect(self.ui.testButton, QtCore.SIGNAL("clicked()"), 
self.doSomething)

Anyone know why this is? Or am I missing something very basic here? (I'm 
still very much a noob I guess)

I'm using the Debian packages by the way.

Thanks
Tina