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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _signal_load(self):
 """ Load the selected cmap. """


        # set our name
        self.set_name(str(self._combobox_cmaps.currentText()))

        # load the colormap
        self.load_colormap()

        # rebuild the interface
        self._build_gui()

        self._button_save.setEnabled(False)