code: def to_non_native_fp16(self: Learner, **kwargs):
      return self.add_cbs(
          [ModelToHalf(), NonNativeMixedPrecision(**kwargs)]
      )
  
imports: from __future__ import annotations
  from ..basics import *
  from .progress import *
  from torch.cuda.amp import GradScaler, autocast
  from torch.cuda.amp.grad_scaler import OptState
  from ..fp16_utils import convert_network, model_grads_to_master_grads, master_params_to_model_params
  from torch.nn.utils import parameters_to_vector
label_desc: Use image node_id 11 for calling a global function with example usage: to_non_native_fp16() and returns: self