code: def model_creator(config):
      model = Net()
      return model
  
imports: from __future__ import print_function
  import argparse
  import numpy
  import matplotlib.pyplot
  import torch
  import torchvision
  import torchvision.transforms
  import torch.nn
  import torch.nn.functional
  import torch.optim
  from torch.utils.tensorboard import SummaryWriter
  from zoo.orca import init_orca_context, stop_orca_context
  from zoo.orca.learn.pytorch import Estimator
  from zoo.orca.learn.metrics import Accuracy
  from zoo.orca.learn.trigger import EveryEpoch
label_desc: Use image node_id 4 for calling a global function with example usage: model_creator(config) and returns: model