code: def _remove_last_click(self):
      click = self.clicks_list.pop()
      coords = click.coords
  
      if click.is_positive:
          self.num_pos_clicks -= 1
      else:
          self.num_neg_clicks -= 1
  
      if self.gt_mask is not None:
          self.not_clicked_map[coords[0], coords[1]] = True
  
file_path: PaddleSeg/EISeg/eiseg/inference/clicker.py
imports: import cv2
  import numpy
  from copy import deepcopy
label_desc: Use image node_id 6 for calling the Clicker obj's underlying member method code with example usage: obj._remove_last_click() without return types