code: def test_fastai_efficientdet_train(
      fridge_efficientdet_dls, fridge_efficientdet_model, metrics
  ):
      learn = models.ross.efficientdet.fastai.learner(
          dls=fridge_efficientdet_dls,
          model=fridge_efficientdet_model,
          metrics=metrics,
      )
  
      learn.fine_tune(1, 1e-4)
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_fastai_efficientdet_train(fridge_efficientdet_dls, fridge_efficientdet_model, metrics) without return types