code: def setup_ui(self, ):
          
          self.main_vbox = QtGui.QVBoxLayout(self)
          self.import_all_references_cb = QtGui.QCheckBox("Import references")
          self.main_vbox.addWidget(self.import_all_references_cb)
docs: Create all ui elements and layouts
  
          :returns: None
          :rtype: None
          :raises: None