code: def np_nextafter(x1, x2):
      warnings.warn(
          "torch.nextafter is only available in PyTorch 1.7 or newer."
          "Falling back to numpy.nextafter. Upgrade PyTorch to remove this warning."
      )
      x1_np = x1.detach().cpu().numpy()
      x2_np = x2.detach().cpu().numpy()
      out = torch.tensor(np.nextafter(x1_np, x2_np)).to(x1)
      return out
  
imports: from enum import Enum
  import math
  import numpy
  import torch
  import warnings
  from .event_handling import combine_event_functions
label_desc: Use image node_id 17 for calling a global function with example usage: np_nextafter(x1, x2) and returns: out