docstr: return the loss given the ground truth labels and prediction
docstr_tok: ["return","the","loss","given","the","ground","truth","labels","and","prediction"]
code: def get_error(self, gamma=None):
      """
      return the loss given the ground truth labels and prediction
      """
      return self.error_term(self.preds, self.labels, gamma)
  
file_path: pifuhd/lib/model/BasePIFuNet.py
imports: import torch
  import torch.nn
  import torch.nn.functional
  from ..geometry import index, orthogonal, perspective
label_desc: Use image node_id 7 for calling the BasePIFuNet obj's underlying member method code with example usage: obj.get_error(gamma) and returns: self