code: def update_bounds_boxes(self):
          
          if self.s not in list(self.Data.keys()):
              self.select_specimen(list(self.Data.keys())[0])
          self.T_list = self.Data[self.s]['zijdblock_steps']
          if self.current_fit:
              self.tmin_box.SetItems(self.T_list)
              self.tmax_box.SetItems(self.T_list)
              if type(self.current_fit.tmin) == str and type(self.current_fit.tmax) == str:
                  self.tmin_box.SetStringSelection(self.current_fit.tmin)
                  self.tmax_box.SetStringSelection(self.current_fit.tmax)
          if self.ie_open:
              self.ie.update_bounds_boxes(self.T_list)
docs: updates bounds boxes with bounds of current specimen and fit