title: Pyside Signal and Slots connect New Method
body: <p>This code:</p>
  
  <pre><code>self.buttonOk.clicked(self.accept())
  self.buttonCancel.clicked(self.reject())
  </code></pre>
  
  <p>Shows this error:</p>
  
  <pre><code>TypeError: native Qt signal is not callable
  </code></pre>
  
  <p>How do I connect buttonOk's clicked() signal to accept() Slot?</p>