code: def loss(x, y):
      """Get the loss for the optimizer."""
      return torch.sum(dist(x, y) ** 2)
  
file_path: flair/flair/nn/distance/hyperbolic.py
imports: import torch
  from torch import Tensor, nn
label_desc: Use image node_id 8 for calling a global function with example usage: loss(x, y) and returns: torch