code: def _viztracer_init(init_kwargs):
      """Initialize viztracer's profiler in worker processes"""
      from viztracer import VizTracer
  
      tracer = VizTracer(**init_kwargs)
      tracer.register_exit()
      tracer.start()
  
file_path: catboost/contrib/python/joblib/joblib/externals/loky/initializers.py
imports: import warnings
label_desc: Use image node_id 1 for calling a global function with example usage: _viztracer_init(init_kwargs) without return types