code: def select_model(name):
      if name == "GP":
          return GPModel
      elif name == "GP_MCMC":
          return GPModel_MCMC
      elif name == "RF":
          return RFModel
      elif name == "warpGP":
          return WarpedGPModel
      else:
          raise Exception("Invalid model selected.")
  
imports: from .base import BOModel
  from .gpmodel import GPModel, GPModel_MCMC
  from .rfmodel import RFModel
  from .warpedgpmodel import WarpedGPModel
  from .input_warped_gpmodel import InputWarpedGPModel
label_desc: Use image node_id 1 for calling a global function with example usage: select_model(name) and returns: GPModel, GPModel_MCMC, RFModel, WarpedGPModel