code: def get_colormap(cls, names=[], N=10, *args, **kwargs):
          
          names = safe_list(names)
          obj = cls(names, N, *args, **kwargs)
          vbox = obj.layout()
          buttons = QDialogButtonBox(
              QDialogButtonBox.Ok | QDialogButtonBox.Cancel, parent=obj)
          buttons.button(QDialogButtonBox.Ok).setEnabled(False)
          vbox.addWidget(buttons)
          buttons.accepted.connect(obj.accept)
          buttons.rejected.connect(obj.reject)
  
          obj.table.selectionModel().selectionChanged.connect(
              lambda indices: buttons.button(QDialogButtonBox.Ok).setEnabled(
                  bool(indices)))
          accepted = obj.exec_()
          if accepted:
              return obj.table.chosen_colormap
docs: Open a :class:`ColormapDialog` and get a colormap
  
          Parameters
          ----------
          %(ColormapModel.parameters)s
  
          Other Parameters
          ----------------
          ``*args, **kwargs``
              Anything else that is passed to the ColormapDialog
  
          Returns
          -------
          str or matplotlib.colors.Colormap
              Either the name of a standard colormap available via
              :func:`psy_simple.colors.get_cmap` or a colormap