code: def load_all_models():
      edit = load_editing_model()
      order = load_ordering_model()
      layout = load_layout_model()
      texify = load_texify_model()
      model_lst = [texify, layout, order, edit]
      return model_lst
  
imports: from marker.cleaners.equations import load_texify_model
  from marker.ordering import load_ordering_model
  from marker.postprocessors.editor import load_editing_model
  from marker.segmentation import load_layout_model
label_desc: Use image node_id 1 for calling a global function with example usage: load_all_models() and returns: model_lst