def get_wd_data(self):
        """
        Show dialog to get user input for which directory
        to set as working directory.
        Called by self.get_dm_and_wd
        """
        wait = wx.BusyInfo('Reading in data from current working directory, please wait...')
        #wx.Yield()
        print('-I- Read in any available data from working directory')
        self.contribution = cb.Contribution(self.WD, dmodel=self.data_model)
        del wait