code: def get_model_list():
      """Get list of all valid models in model zoo."""
      return _MODEL_ZOO_WEIGHTS.keys()
  
file_path: pycls/pycls/models/model_zoo.py
imports: import os
  import pycls.core.builders
  import pycls.core.checkpoint
  from pycls.core.config import cfg, load_cfg, reset_cfg
  from pycls.core.io import cache_url
label_desc: Use image node_id 1 for calling a global function with example usage: get_model_list() and returns: _MODEL_ZOO_WEIGHTS