title: AttributeError: object has no attribute 'box'
body: <p>What's wrong with my app??</p>
  
  <pre><code>import sys
  import time
  import random
  from tkinter import *
  from PyQt4 import QtGui
  from PyQt4 import QtCore
  from PyQt4.QtGui import *
  
  class WindowHello(QWidget):
      def __init__(self, parent = None):
          QWidget.__init__(self, parent)
  
      frame = QFrame()
      palette = QPalette()
      layout = QHBoxLayout()
  
      palette.setBrush(QPalette.Background,QBrush(QPixmap("First hello.gif")))
      frame.setFixedSize(450, 380)
      frame.setLayout(layout)
      frame.setPalette(palette)
      frame.show()
  
      self.setGeometry(650, 450, 450, 380)
      self.box.addWidget(frame.setBrush)
      self.box.addWidget(frame.setFixedSize)
      self.box.addWidget(frame.setLayout)
      self.box.addWidget(frame.setPalette)
      self.box = QtGui.QVBoxLayout()
      self.setLayout(self.box)
  
  app = QtGui.QApplication(sys.argv)
  
  op = WindowHello()
  op.setWindowTitle('LangTIME')
  op.setWindowIcon(QtGui.QIcon('Minilogowin.png'))
  op.show()
  
  sys.exit(app.exec_())
  </code></pre>
  
  <p>When i try run this code it's showing me error:</p>
  
  <pre><code>AttributeError: 'WindowHello' object has no attribute 'box'
  </code></pre>
  
  <p>Please help me solve this problem. 
  I'm sorry if this question stupid, i'm still new.</p>