docs: def _update_model(self, completions):
          """
          Creates a QStandardModel that holds the suggestion from the completion
          models for the QCompleter
  
          :param completionPrefix:
          """
          # build the completion model
          cc_model = QtGui.QStandardItemModel()
          self._tooltips.clear()
          for completion in completions:
              name = completion['name']
              item = QtGui.QStandardItem()
              item.setData(name, QtCore.Qt.DisplayRole)
              if 'tooltip' in completion and completion['tooltip']:
                  self._tooltips[name] = completion['tooltip']
              if 'icon' in completion:
                  icon = completion['icon']
                  if isinstance(icon, list):
                      icon = QtGui.QIcon.fromTheme(icon[0], QtGui.QIcon(icon[1]))
                  else:
                      icon = QtGui.QIcon(icon)
                  item.setData(QtGui.QIcon(icon),
                               QtCore.Qt.DecorationRole)
              cc_model.appendRow(item)
          try:
              self._completer.setModel(cc_model)
          except RuntimeError:
              self._create_completer()
              self._completer.setModel(cc_model)
          return cc_model