title: PyQt5 + Python 3.5.1: QProgressBar seems to not be able to connect to signals
body: <p>Here is my code:</p>
  
  <pre><code>#! /usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  import sys
  from PyQt5.QtWidgets import *
  from PyQt5.QtGui import *
  from PyQt5.QtCore import *
  from PyQt5.QtCore import pyqtSlot,pyqtSignal
  
  class QutieBar(QProgressBar):
      value = 0
  
      @pyqtSlot()
      def increaseValue(progressBar):
          progressBar.setValue(progressBar.value)
          progressBar.value = progressBar.value+1
  
  # Create an PyQT4 application object.
  a = QApplication(sys.argv)       
  
  # The QWidget widget is the base class of all user interface objects in PyQt4.
  w = QWidget()
  
  # Set window size. 
  w.resize(320, 240)
  
  # Set window title  
  w.setWindowTitle("Progressbar") 
  
  # Create progressBar. 
  bar = QutieBar(w)
  bar.resize(320,50)    
  bar.setValue(0)
  bar.move(0,20)
  
  # create timer for progressBar
  timer = QTimer()
  bar.connect(timer, SIGNAL("timeout()"), bar, SLOT("increaseValue()"))
  timer.start(400) 
  
  # Show window
  w.show() 
  
  sys.exit(a.exec_())
  </code></pre>
  
  <p>Here is the error it's spitting out:</p>
  
  <blockquote>
    <p>C:\Users\Pixie\Development\New folder>test6 Traceback (most recent
    call last):   File "C:\Users\Pixie\Development\New folder\test6.py",
    line 38, in 
        bar.connect(timer, SIGNAL("timeout()"), bar, SLOT("increaseValue()")) AttributeError: 'QutieBar' object has no
    attribute 'connect'</p>
  </blockquote>
  
  <p>I have absolutely no idea what is going on. To my extensive searching, this <em>seems</em> to be correctly wired up, but for some apparent reason, PyQt5 is being sassy.</p>