code: def number_of_parameters(self):
      return sum(
          p.numel() for p in self.parameters() if p.requires_grad
      )
  
file_path: HpBandSter/hpbandster/examples/example_5_pytorch_worker.py
imports: import ConfigSpace
  import ConfigSpace.hyperparameters
  from hpbandster.core.worker import Worker
  import logging
label_desc: Use image node_id 3 for calling the MNISTConvNet obj's underlying member method code with example usage: obj.number_of_parameters() and returns: sum