code: def set_trace():
      pdb = MultiprocessingPdb()
      pdb.set_trace(sys._getframe().f_back)
  
file_path: ClassyVision/classy_vision/generic/pdb.py
imports: import multiprocessing
  import os
  import pdb
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: set_trace() without return types