code: def get_gradient(self, input_instance):
      # Future Support
      raise NotImplementedError("Future Support")
  
file_path: DiCE/dice_ml/model_interfaces/pytorch_model.py
imports: import numpy
  import torch
  from dice_ml.constants import ModelTypes
  from dice_ml.model_interfaces.base_model import BaseModel
label_desc: Use image node_id 5 for calling the PyTorchModel obj's underlying member method code with example usage: obj.get_gradient(input_instance) without return types