code: def on_delete_interpretation_button(self, event):
          
  
          del self.Data[self.s]['pars']
          self.Data[self.s]['pars'] = {}
          self.Data[self.s]['pars']['deleted'] = True
          self.Data[self.s]['pars']['lab_dc_field'] = self.Data[self.s]['lab_dc_field']
          self.Data[self.s]['pars']['er_specimen_name'] = self.Data[self.s]['er_specimen_name']
          self.Data[self.s]['pars']['er_sample_name'] = self.Data[self.s]['er_sample_name']
          self.Data[self.s]['pars']['er_sample_name'] = self.Data[self.s]['er_sample_name']
          sample = self.Data_hierarchy['specimens'][self.s]
          if sample in list(self.Data_samples.keys()):
              if self.s in list(self.Data_samples[sample].keys()):
                  if 'B' in list(self.Data_samples[sample][self.s].keys()):
                      del self.Data_samples[sample][self.s]['B']
  
          site = thellier_gui_lib.get_site_from_hierarchy(
              sample, self.Data_hierarchy)
          if site in list(self.Data_sites.keys()):
              if self.s in list(self.Data_sites[site].keys()):
                  del self.Data_sites[site][self.s]['B']
                  # if 'B' in self.Data_sites[site][self.s].keys():
                  #    del self.Data_sites[site][self.s]['B']
  
          self.tmin_box.SetValue("")
          self.tmax_box.SetValue("")
          self.clear_boxes()
          self.draw_figure(self.s)
          self.draw_sample_mean()
          self.write_sample_box()
          self.close_warning = True
docs: delete the current interpretation temporarily (not to a file)