class_docstr: Events related to the cutting process.
class_docstr_tok: ["Events","related","to","the","cutting","process","."]
docstr: An invalid piece is selected for cutting.
docstr_tok: ["An","invalid","piece","is","selected","for","cutting","."]
code: def invalid_piece_selected(self):
      """An invalid piece is selected for cutting."""
  
file_path: maze/tutorials/tutorial_maze_env/part05_reward/env/events.py
imports: from abc import ABC
  import numpy
  from maze.core.log_stats.event_decorators import define_step_stats, define_episode_stats, define_epoch_stats
label_desc: Use image node_id 1 for calling the CuttingEvents obj's underlying member method code with example usage: obj.invalid_piece_selected() without return types