QWidget won't apply background-color through setStyleSheet using PySide

mainwindow.ui

<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
 <class>MainWindow</class>
 <widget class="QMainWindow" name="MainWindow">
  <property name="geometry">
   <rect>
    <x>0</x>
    <y>0</y>
    <width>661</width>
    <height>487</height>
   </rect>
  </property>
  <property name="windowTitle">
   <string>MainWindow</string>
  </property>
  <widget class="QWidget" name="centralwidget">
   <property name="styleSheet">
    <string notr="true"/>
   </property>
   <widget class="QFrame" name="frame">
    <property name="geometry">
     <rect>
      <x>57</x>
      <y>78</y>
      <width>370</width>
      <height>22</height>
     </rect>
    </property>
    <property name="autoFillBackground">
     <bool>true</bool>
    </property>
    <property name="frameShape">
     <enum>QFrame::Box</enum>
    </property>
    <property name="frameShadow">
     <enum>QFrame::Sunken</enum>
    </property>
    <widget class="QWidget" name="widget1" native="true">
     <property name="geometry">
      <rect>
       <x>0</x>
       <y>0</y>
       <width>369</width>
       <height>22</height>
      </rect>
     </property>
     <property name="autoFillBackground">
      <bool>false</bool>
     </property>
     <property name="styleSheet">
      <string notr="true">QWidget { background-color: #fff;border:2px solid #CCC; } QLabel { border:none; }</string>
     </property>
     <widget class="QLabel" name="label1">
      <property name="geometry">
       <rect>
        <x>10</x>
        <y>3</y>
        <width>291</width>
        <height>17</height>
       </rect>
      </property>
      <property name="styleSheet">
       <string notr="true"/>
      </property>
      <property name="text">
       <string>TextLabel</string>
      </property>
     </widget>
    </widget>
   </widget>
  </widget>
  <widget class="QStatusBar" name="statusbar"/>
  <widget class="QMenuBar" name="menubar">
   <property name="geometry">
    <rect>
     <x>0</x>
     <y>0</y>
     <width>661</width>
     <height>25</height>
    </rect>
   </property>
  </widget>
 </widget>
 <resources/>
 <connections/>
</ui>

ui_widget.py

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'mainwindow.ui'
#
# Created: Wed Oct 26 19:22:30 2011
#      by: pyside-uic 0.2.13 running on PySide 1.0.7
#
# WARNING! All changes made in this file will be lost!

from PySide import QtCore, QtGui

class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(661, 487)
        self.centralwidget = QtGui.QWidget(MainWindow)
        self.centralwidget.setStyleSheet("")
        self.centralwidget.setObjectName("centralwidget")
        self.frame = QtGui.QFrame(self.centralwidget)
        self.frame.setGeometry(QtCore.QRect(57, 78, 370, 22))
        self.frame.setAutoFillBackground(True)
        self.frame.setFrameShape(QtGui.QFrame.Box)
        self.frame.setFrameShadow(QtGui.QFrame.Sunken)
        self.frame.setObjectName("frame")
        self.widget1 = QtGui.QWidget(self.centralwidget)
        self.widget1.setGeometry(QtCore.QRect(0, 0, 369, 22))
        self.widget1.setAutoFillBackground(False)
        self.widget1.setStyleSheet("QWidget { background-color: #fff;border:2px solid #CCC; } QLabel { border:none; }")
        self.widget1.setObjectName("widget1")
        self.label1 = QtGui.QLabel(self.widget1)
        self.label1.setGeometry(QtCore.QRect(10, 3, 291, 17))
        self.label1.setStyleSheet("")
        self.label1.setObjectName("label1")
        MainWindow.setCentralWidget(self.centralwidget)
        self.statusbar = QtGui.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
        self.menubar = QtGui.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 661, 25))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        MainWindow.setWindowTitle(QtGui.QApplication.translate("MainWindow", "MainWindow", None, QtGui.QApplication.UnicodeUTF8))
        self.label1.setText(QtGui.QApplication.translate("MainWindow", "TextLabel", None, QtGui.QApplication.UnicodeUTF8))

widget.py

#!/usr/bin/python

import sys
import pprint

from PySide import QtCore
from PySide import QtUiTools
from PySide import QtGui
from PySide import QtDeclarative
import ui_widget

# Comment the line below if you don't want to use OpenGL for QML rendering or if it is not supported
from PySide import QtOpenGL

class MainWindow(QtGui.QMainWindow):

    def __init__(self, parent=None):
        QtGui.QMainWindow.__init__(self, parent=parent)
        self.ui = ui_widget.Ui_MainWindow()
        self.ui.setupUi(self)

def main():

    app = QtGui.QApplication(sys.argv)

    #loader = QtUiTools.QUiLoader()
    #uifile = QtCore.QFile("./mainwindow.ui")
    #window = loader.load(uifile)
    window = MainWindow()
    window.show()

    return app.exec_()

if __name__ == "__main__":
    main()

xml!
ecat!

kkkkk
é Qt mano, a ferramenta visual, pra criar GUI, gera essa beleza ae

num dá pra usar NoSQL?
lol

ahuahauahua
dá pra usar NoGUI