code: def _mixup(self):
      self.do_mixup = True
  
imports: from torchbearer import Callback
  import torchbearer
  from torch.distributions.beta import Beta
  import random
  import torch
  import types
  from torchbearer import cite
label_desc: Use image node_id 1 for calling a global function with example usage: _mixup() without return types